CVEs from 2022
Total
5,236
critical
critical 92
high
high 1,236
medium
medium 953
low
low 24
% Critical
1.8%
% with KEV
2.5%
% with exploit
3.4%
Top vendors
- oracle 616
- netapp 438
- microsoft 165
- omron 109
- azul 82
- schneider-electric 33
- mitsubishielectric 32
- siemens 10
Top products
- jdk 116
- jre 109
- openjdk 100
- zulu 82
- graalvm 74
- cloud_secure_agent 35
- oncommand_insight 34
- cloud_insights_acquisition_unit 34
| CVE | Severity | CVSS | Risk | Flags | OS | Vendor | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2022-50316 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_sysfs_init() When insert and remove the orangefs module, there are kobjects memory leaked as b… | |||
| CVE-2022-50323 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: net: do not sense pfmemalloc status in skb_append_pagefrags() skb_append_pagefrags() is used by af_unix and udp sendpage() implem… | |||
| CVE-2022-50300 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in read_one_chunk Store the error code before freeing the exten… | |||
| CVE-2022-50301 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: iommu/omap: Fix buffer overflow in debugfs There are two issues here: 1) The "len" variable needs to be checked before the very … | |||
| CVE-2022-50304 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: mtd: core: fix possible resource leak in init_mtd() I got the error report while inject fault in init_mtd(): sysfs: cannot creat… | |||
| CVE-2022-50309 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init of_get_child_by_name() returns a node pointer with refcount increme… | |||
| CVE-2022-50315 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about array-index-out-of-bounds: [ 1.980703] kernel: UBSAN:… | |||
| CVE-2022-50324 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: mtd: maps: pxa2xx-flash: fix memory leak in probe Free 'info' upon remapping error to avoid a memory leak. [<miquel.raynal@bootl… | |||
| CVE-2022-49222 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: drm/bridge: anx7625: Fix overflow issue on reading EDID The length of EDID block can be longer than 256 bytes, so we should use `… | |||
| CVE-2022-49241 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe The device_node pointer is returned by of_parse_phandle() with ref… | |||
| CVE-2022-0171 | unknown | — | — | — | A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM in… | |||
| CVE-2022-0487 | unknown | — | — | — | A use-after-free vulnerability was found in rtsx_usb_ms_drv_remove in drivers/memstick/host/rtsx_usb_ms.c in memstick in the Linux kernel. In this flaw, a local attacker with a user privilege may imp… | |||
| CVE-2022-30780 | unknown | — | — | — | Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disr… | |||
| CVE-2022-37797 | unknown | — | — | — | In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the se… | |||
| CVE-2022-22707 | unknown | — | — | — | In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a stack-based buffer overflow (4 bytes representing -1), as demonstrated by remote denial of … | |||
| CVE-2022-41556 | unknown | — | — | — | A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is relat… | |||
| CVE-2022-1247 | unknown | — | — | — | An issue found in linux-kernel that leads to a race condition in rose_connect(). The rose driver uses rose_neigh->use to represent how many objects are using the rose_neigh. When a user wants to dele… | |||
| CVE-2022-1419 | unknown | — | — | — | The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_… | |||
| CVE-2022-1508 | unknown | — | — | — | An out-of-bounds read flaw was found in the Linux kernel’s io_uring module in the way a user triggers the io_read() function with some special parameters. This flaw allows a local user to read some m… | |||
| CVE-2022-1651 | unknown | — | — | — | A memory leak flaw was found in the Linux kernel in acrn_dev_ioctl in the drivers/virt/acrn/hsm.c function in how the ACRN Device Model emulates virtual NICs in VM. This flaw allows a local privilege… | |||
| CVE-2022-20132 | unknown | — | — | — | In lg_probe and related functions of hid-lg.c and other USB HID files, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure if a ma… | |||
| CVE-2022-20421 | unknown | — | — | — | In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges nee… | |||
| CVE-2022-20422 | unknown | — | — | — | In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privi… | |||
| CVE-2022-20423 | unknown | — | — | — | In rndis_set_response of rndis.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege if a malicious USB device is attached with no ad… | |||
| CVE-2022-20568 | unknown | — | — | — | In (TBD) of (TBD), there is a possible way to corrupt kernel memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User inte… | |||
| CVE-2022-21385 | unknown | — | — | — | A flaw in net_rds_alloc_sgs() in Oracle Linux kernels allows unprivileged local users to crash the machine. CVSS 3.1 Base Score 6.2 (Availability impacts). CVSS Vector (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S… | |||
| CVE-2022-21546 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix WRITE_SAME No Data Buffer crash In newer version of the SBC specs, we have a NDOB bit that indicates there is n… | |||
| CVE-2022-23036 | unknown | — | — | — | Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Li… | |||
| CVE-2022-24122 | unknown | — | — | — | kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its names… | |||
| CVE-2022-23040 | unknown | — | — | — | Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Li… | |||
| CVE-2022-25258 | unknown | — | — | — | An issue was discovered in drivers/usb/gadget/composite.c in the Linux kernel before 5.16.10. The USB Gadget subsystem lacks certain validation of interface OS descriptor requests (ones with a large … | |||
| CVE-2022-23041 | unknown | — | — | — | Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Li… | |||
| CVE-2022-23042 | unknown | — | — | — | Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Li… | |||
| CVE-2022-25375 | unknown | — | — | — | An issue was discovered in drivers/usb/gadget/function/rndis.c in the Linux kernel before 5.16.10. The RNDIS USB gadget lacks validation of the size of the RNDIS_MSG_SET command. Attackers can obtain… | |||
| CVE-2022-27672 | unknown | — | — | — | When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure. | |||
| CVE-2022-0476 | unknown | — | — | — | Denial of Service in GitHub repository radareorg/radare2 prior to 5.6.4. | |||
| CVE-2022-2590 | unknown | — | — | — | A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only shared memory mappings. This flaw allows an unprivileged, local… | |||
| CVE-2022-0521 | unknown | — | — | — | Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2. | |||
| CVE-2022-2602 | unknown | — | — | — | io_uring UAF, Unix SCM garbage collection | |||
| CVE-2022-0559 | unknown | — | — | — | Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2. | |||
| CVE-2022-26966 | unknown | — | — | — | An issue was discovered in the Linux kernel before 5.16.12. drivers/net/usb/sr9700.c allows attackers to obtain sensitive information from heap memory via crafted frame lengths from a device. | |||
| CVE-2022-27223 | unknown | — | — | — | In drivers/usb/gadget/udc/udc-xilinx.c in the Linux kernel before 5.16.12, the endpoint index is not validated and might be manipulated by the host for out-of-array access. | |||
| CVE-2022-1237 | unknown | — | — | — | Improper Validation of Array Index in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is heap overflow and may be exploitable. For more general description of heap buffer overf… | |||
| CVE-2022-1238 | unknown | — | — | — | Out-of-bounds Write in libr/bin/format/ne/ne.c in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is heap overflow and may be exploitable. For more general description of heap … | |||
| CVE-2022-1296 | unknown | — | — | — | Out-of-bounds read in `r_bin_ne_get_relocs` function in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability may allow attackers to read sensitive information or cause a crash. | |||
| CVE-2022-1240 | unknown | — | — | — | Heap buffer overflow in libr/bin/format/mach0/mach0.c in GitHub repository radareorg/radare2 prior to 5.8.6. If address sanitizer is disabled during the compiling, the program should executes into th… | |||
| CVE-2022-1284 | unknown | — | — | — | heap-use-after-free in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of inducing denial of service. | |||
| CVE-2022-1382 | unknown | — | — | — | NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of making the radare2 crash, thus affecting the availability of the system. | |||
| CVE-2022-1452 | unknown | — | — | — | Out-of-bounds Read in r_bin_java_bootstrap_methods_attr_new function in GitHub repository radareorg/radare2 prior to 5.7.0. The bug causes the program reads data past the end 2f the intented buffer. … | |||
| CVE-2022-28796 | unknown | — | — | — | jbd2_journal_wait_updates in fs/jbd2/transaction.c in the Linux kernel before 5.17.1 has a use-after-free caused by a transaction_t race condition. | |||
| CVE-2022-49231 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: rtw88: fix memory overrun and memory leak during hw_scan Previously we allocated less memory than actual required, overwrite to t… | |||
| CVE-2022-2991 | unknown | — | — | — | A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixe… | |||
| CVE-2022-29968 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.17.5. io_rw_init_file in fs/io_uring.c lacks initialization of kiocb->private. | |||
| CVE-2022-3104 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. lkdtm_ARRAY_BOUNDS in drivers/misc/lkdtm/bugs.c lacks check of the return value of kmalloc() and will cause the null pointer dereference. | |||
| CVE-2022-3111 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. free_charger_irq() in drivers/power/supply/wm8350_power.c lacks free of WM8350_IRQ_CHG_FAST_RDY, which is registered in wm8350_init_charg… | |||
| CVE-2022-3112 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. amvdec_set_canvases in drivers/staging/media/meson/vdec/vdec_helpers.c lacks check of the return value of kzalloc() and will cause the nu… | |||
| CVE-2022-3113 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. mtk_vcodec_fw_vpu_init in drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c lacks check of the return value of devm_kzalloc() and wil… | |||
| CVE-2022-3114 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. imx_register_uart_clocks in drivers/clk/imx/clk.c lacks check of the return value of kcalloc() and will cause the null pointer dereferenc… | |||
| CVE-2022-3115 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.16-rc6. malidp_crtc_reset in drivers/gpu/drm/arm/malidp_crtc.c lacks check of the return value of kzalloc() and will cause the null pointer deref… | |||
| CVE-2022-3169 | unknown | — | — | — | A flaw was found in the Linux kernel. A denial of service flaw may occur if there is a consecutive request of the NVME_IOCTL_RESET and the NVME_IOCTL_SUBSYS_RESET through the device file of the drive… | |||
| CVE-2022-3170 | unknown | — | — | — | An out-of-bounds access issue was found in the Linux kernel sound subsystem. It could occur when the 'id->name' provided by the user did not end with '\0'. A privileged local user could pass a specia… | |||
| CVE-2022-32981 | unknown | — | — | — | An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating po… | |||
| CVE-2022-3344 | unknown | — | — | — | A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault… | |||
| CVE-2022-33741 | unknown | — | — | — | Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device … | |||
| CVE-2022-33744 | unknown | — | — | — | Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely … | |||
| CVE-2022-3526 | unknown | — | — | — | A vulnerability classified as problematic was found in Linux Kernel. This vulnerability affects the function macvlan_handle_frame of the file drivers/net/macvlan.c of the component skb. The manipulat… | |||
| CVE-2022-36123 | unknown | — | — | — | The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges. | |||
| CVE-2022-3577 | unknown | — | — | — | An out-of-bounds memory write flaw was found in the Linux kernel’s Kid-friendly Wired Controller driver. This flaw allows a local user to crash or potentially escalate their privileges on the system.… | |||
| CVE-2022-3595 | unknown | — | — | — | A vulnerability was found in Linux Kernel. It has been rated as problematic. Affected by this issue is the function sess_free_buffer of the file fs/cifs/sess.c of the component CIFS Handler. The mani… | |||
| CVE-2022-3903 | unknown | — | — | — | An incorrect read request flaw was found in the Infrared Transceiver USB driver in the Linux kernel. This issue occurs when a user attaches a malicious USB device. A local user could use this flaw to… | |||
| CVE-2022-40476 | unknown | — | — | — | A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service. | |||
| CVE-2022-44034 | unknown | — | — | — | An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/scr24x_cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device… | |||
| CVE-2022-44032 | unknown | — | — | — | An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4000_cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device… | |||
| CVE-2022-45885 | unknown | — | — | — | An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_frontend.c has a race condition that can cause a use-after-free when a device is disconnected. | |||
| CVE-2022-4543 | unknown | — | — | — | A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Inte… | |||
| CVE-2022-45888 | unknown | — | — | — | An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race condition and use-after-free during physical removal of a USB device. | |||
| CVE-2022-4696 | unknown | — | — | — | There exists a use-after-free vulnerability in the Linux kernel through io_uring and the IORING_OP_SPLICE operation. If IORING_OP_SPLICE is missing the IO_WQ_WORK_FILES flag, which signals that the o… | |||
| CVE-2022-47519 | unknown | — | — | — | An issue was discovered in the Linux kernel before 6.0.11. Missing validation of IEEE80211_P2P_ATTR_OPER_CHANNEL in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver … | |||
| CVE-2022-47521 | unknown | — | — | — | An issue was discovered in the Linux kernel before 6.0.11. Missing validation of IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver … | |||
| CVE-2022-48502 | unknown | — | — | — | An issue was discovered in the Linux kernel before 6.2. The ntfs3 subsystem does not properly check for correctness during disk reads, leading to an out-of-bounds read in ntfs_set_ea in fs/ntfs3/xatt… | |||
| CVE-2022-48637 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: bnxt: prevent skb UAF after handing over to PTP worker When reading the timestamp is required bnxt_tx_int() hands over the owners… | |||
| CVE-2022-48628 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: ceph: drop messages from MDS when unmounting When unmounting all the dirty buffers will be flushed and after the last osd request… | |||
| CVE-2022-48630 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - fix infinite loop on requests not multiple of WORD_SZ The commit referenced in the Fixes tag removed the 'brea… | |||
| CVE-2022-48635 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: fsdax: Fix infinite loop in dax_iomap_rw() I got an infinite loop and a WARNING report when executing a tail command in virtiofs.… | |||
| CVE-2022-48654 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this lead… | |||
| CVE-2022-48641 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. T… | |||
| CVE-2022-48657 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: arm64: topology: fix possible overflow in amu_fie_setup() cpufreq_get_hw_max_freq() returns max frequency in kHz as *unsigned int… | |||
| CVE-2022-48673 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible access to freed memory in link clear After modifying the QP to the Error state, all RX WR would be complete… | |||
| CVE-2022-48650 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix memory leak in __qlt_24xx_handle_abts() Commit 8f394da36a36 ("scsi: qla2xxx: Drop TARGET_SCF_LOOKUP_LUN_FROM_T… | |||
| CVE-2022-48656 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get() We should call of_node_put() for the reference return… | |||
| CVE-2022-48658 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context. Commit 5a836bf6b09f ("mm: slub: move flush_cpu_slab() i… | |||
| CVE-2022-48659 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc() fails In create_unique_id(), kmalloc(, GFP_KERNEL) can fail due to out-of-memory, if it… | |||
| CVE-2022-48665 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: exfat: fix overflow for large capacity partition Using int type for sector index, there will be overflow in a large capacity part… | |||
| CVE-2022-48666 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free There are two .exit_cmd_priv implementations. Both implementations use resources associated with… | |||
| CVE-2022-48671 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) wa… | |||
| CVE-2022-48668 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: smb3: fix temporary data corruption in collapse range collapse range doesn't discard the affected cached region so can risk tempo… | |||
| CVE-2022-48689 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report [1] showing a possible misuse of pfmemalloc pag… | |||
| CVE-2022-48675 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: IB/core: Fix a nested dead lock as part of ODP flow Fix a nested dead lock as part of ODP flow by using mmput_async(). From the … | |||
| CVE-2022-48686 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we do… | |||
| CVE-2022-48690 | unknown | — | — | — | In the Linux kernel, the following vulnerability has been resolved: ice: Fix DMA mappings leak Fix leak, when user changes ring parameters. During reallocation of RX buffers, new DMA mappings are c… |