CVEs from 2024
Total
6,583
critical
critical 174
high
high 1,069
medium
medium 2,083
low
low 49
% Critical
2.6%
% with KEV
2.5%
% with exploit
3.4%
Top products
- mbed_tls 15
- operations_analytics_log_analysis 14
- surveillance_station 12
- checkmk 10
- office 8
- profilegrid 8
- office_long_term_servicing_channel 6
- propertyhive 5
Top packages
| CVE | Severity | CVSS | Risk | Flags | OS | Vendor | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-41093 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid using null object of framebuffer Instead of using state->fb->obj[0] directly, get object from framebuffer by ca… | |||
| CVE-2024-26989 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: Fix level3 translation fault in swsusp_save() On arm64 machines, swsusp_save() faults if it attempts to access … | |||
| CVE-2024-35931 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip do PCI error slot reset during RAS recovery Why: The PCI error slot reset maybe triggered after inject ue to… | |||
| CVE-2024-35957 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix WARN_ON in iommu probe path Commit 1a75cc710b95 ("iommu/vt-d: Use rbtree to track iommu probed devices") adds all… | |||
| CVE-2024-6655 | medium | — | 5.5 | 2y ago | RHSA-2024:6963: gtk3 security update (Moderate) | |||
| CVE-2024-36028 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio() When I did memory failure tests recently, below warning… | |||
| CVE-2024-8235 | medium | — | 5.5 | 2y ago | Moderate: libvirt security update | |||
| CVE-2024-26857 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: geneve: make sure to pull inner header in geneve_rx() syzbot triggered a bug in geneve_rx() [1] Issue is similar to the one I fi… | |||
| CVE-2024-40945 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommu_sva_bind_device() iommu_sva_bind_device() should return either a sva bond handle or an ERR_PTR… | |||
| CVE-2024-32458 | medium | — | 5.5 | 2y ago | Moderate: freerdp security update | |||
| CVE-2024-32658 | medium | — | 5.5 | 2y ago | Moderate: freerdp security update | |||
| CVE-2024-22099 | medium | 5.5 | 5.5 | 2y ago | NULL Pointer Dereference vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (net, bluetooth modules) allows Overflow Buffers. This vulnerability is associated with program files /net/bluet… | |||
| CVE-2024-30204 | medium | — | 5.5 | 2y ago | In Emacs before 29.3, LaTeX preview is enabled by default for e-mail attachments. | |||
| CVE-2024-43817 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net: missing check virtio Two missing check in virtio_net_hdr_to_skb() allowed syzbot to crash kernels again 1. After the skb_se… | |||
| CVE-2024-35928 | medium | — | 5.5 | 2y ago | RHSA-2024:9315: kernel security update (Moderate) | |||
| CVE-2024-58239 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: tls: stop recv() if initial process_rx_list gave us non-DATA If we have a non-DATA record on the rx_list and another record of th… | |||
| CVE-2024-35822 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: usb: udc: remove warning when queue disabled ep It is possible trigger below warning message from mass storage function, WARNING… | |||
| CVE-2024-30203 | medium | — | 5.5 | 2y ago | RHSA-2024:6987: emacs security update (Moderate) | |||
| CVE-2024-30205 | medium | — | 5.5 | 2y ago | RHSA-2024:6987: emacs security update (Moderate) | |||
| CVE-2024-25081 | medium | — | 5.5 | 2y ago | RHSA-2024:4267: fontforge security update (Moderate) | |||
| CVE-2024-34055 | medium | — | 5.5 | 2y ago | Moderate: cyrus-imapd security update | |||
| CVE-2024-32041 | medium | — | 5.5 | 2y ago | Moderate: freerdp security update | |||
| CVE-2024-35831 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: io_uring: Fix release of pinned pages when __io_uaddr_map fails Looking at the error path of __io_uaddr_map, if we fail after pin… | |||
| CVE-2024-35942 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: imx8mp_blk: Add fdcc clock to hdmimix domain According to i.MX8MP RM and HDMI ADD, the fdcc clock is p… | |||
| CVE-2024-36902 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action() syzbot is able to trigger the following crash [1], caused… | |||
| CVE-2024-35877 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: fix VM_PAT handling in COW mappings PAT handling won't do the right thing in COW mappings: the first PTE (or, in fact… | |||
| CVE-2024-36039 | medium | — | 5.5 | 2y ago | PyMySQL through 1.1.0 allows SQL injection if used with untrusted JSON input because keys are not escaped by escape_dict. | |||
| CVE-2024-35862 | medium | — | 5.5 | 2y ago | Linux kernel vulnerabilities | |||
| CVE-2024-35918 | medium | — | 5.5 | 2y ago | RHSA-2024:9315: kernel security update (Moderate) | |||
| CVE-2024-26641 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv() syzbot found __ip6_tnl_rcv() could access unitiliazed data [1]. Ca… | |||
| CVE-2024-32039 | medium | — | 5.5 | 2y ago | Moderate: freerdp security update | |||
| CVE-2024-43866 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always drain health in shutdown callback There is no point in recovery during device shutdown. if health work started n… | |||
| CVE-2024-44965 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix pti_clone_pgtable() alignment assumption Guenter reported dodgy crashes on an i386-nosmp build using GCC-11 that had … | |||
| CVE-2024-44984 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Fix double DMA unmapping for XDP_REDIRECT Remove the dma_unmap_page_attrs() call in the driver's XDP_REDIRECT code path.… | |||
| CVE-2024-45005 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix validity interception issue when gisa is switched off We might run into a SIE validity if gisa has been disabled e… | |||
| CVE-2024-2236 | medium | — | 5.5 | 2y ago | Moderate: libgcrypt security update | |||
| CVE-2024-26899 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: block: fix deadlock between bd_link_disk_holder and partition scan 'open_mutex' of gendisk is used to protect open/close block de… | |||
| CVE-2024-27431 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: cpumap: Zero-initialise xdp_rxq_info struct before running XDP program When running an XDP program that is attached to a cpumap e… | |||
| CVE-2024-27404 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: mptcp: fix data races on remote_id Similar to the previous patch, address the data race on remote_id, adding the suitable ONCE an… | |||
| CVE-2024-27389 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: pstore: inode: Only d_invalidate() is needed Unloading a modular pstore backend with records in pstorefs would trigger the dput()… | |||
| CVE-2024-26937 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Reset queue_priority_hint on parking Originally, with strict in order execution, we could complete execution only wh… | |||
| CVE-2024-27057 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-pcm: Workaround for crashed firmware on system suspend When the system is suspended while audio is active, the so… | |||
| CVE-2024-27038 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: clk: Fix clk_core_get NULL dereference It is possible for clk_core_get to dereference a NULL in the following sequence: clk_core… | |||
| CVE-2024-27023 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'active_io' for flush submit_flushes atomic_set(&mddev->flush_pending, 1); rdev_for_each_rcu(rdev, m… | |||
| CVE-2024-27017 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in pro… | |||
| CVE-2024-27004 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: clk: Get runtime PM before walking tree during disable_unused Doug reported [1] the following hung task: INFO: task swapper/0:1… | |||
| CVE-2024-26960 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between free_swap_and_cache() and swapoff() There was previously a theoretical window where swapoff() could ru… | |||
| CVE-2024-26976 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: KVM: Always flush async #PF workqueue when vCPU is being destroyed Always flush the per-vCPU async #PF workqueue when a vCPU is c… | |||
| CVE-2024-26953 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net: esp: fix bad handling of pages from page_pool When the skb is reorganized during esp_output (!esp->inline), the pages coming… | |||
| CVE-2024-6239 | medium | — | 5.5 | 2y ago | A flaw was found in the Poppler's Pdfinfo utility. This issue occurs when using -dests parameter with pdfinfo utility. By using certain malformed input files, an attacker could cause the utility to c… | |||
| CVE-2024-26892 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921e: fix use-after-free in free_irq() From commit a304e1b82808 ("[PATCH] Debug shared irqs"), there is a test to … | |||
| CVE-2024-26889 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix possible buffer overflow struct hci_dev_info has a fixed size name[8] field so in the event that hdev->n… | |||
| CVE-2024-26757 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: md: Don't ignore read-only array in md_check_recovery() Usually if the array is not read-write, md_check_recovery() won't registe… | |||
| CVE-2024-26680 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net: atlantic: Fix DMA mapping for PTP hwts ring Function aq_ring_hwts_rx_alloc() maps extra AQ_CFG_RXDS_DEF bytes for PTP HWTS r… | |||
| CVE-2024-26327 | medium | — | 5.5 | 2y ago | An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF… | |||
| CVE-2024-1298 | medium | — | 5.5 | 2y ago | RHSA-2024:5297: edk2 security update (Moderate) | |||
| CVE-2024-40919 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send() In case of token is released due to token… | |||
| CVE-2024-26973 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: fat: fix uninitialized field in nostale filehandles When fat_encode_fh_nostale() encodes file handle without a parent it stores o… | |||
| CVE-2024-26743 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: RDMA/qedr: Fix qedr_create_user_qp error flow Avoid the following warning by making sure to free the allocated resources in case … | |||
| CVE-2024-35995 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use access_width over bit_width for system memory accesses To align with ACPI 6.3+, since bit_width can be any 8-bit … | |||
| CVE-2024-26900 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: md: fix kmemleak of rdev->serial If kobject_add() is fail in bind_rdev_to_array(), 'rdev->serial' will be alloc not be freed, and… | |||
| CVE-2024-26901 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak syzbot identified a kernel information leak vulnerability in do_sys… | |||
| CVE-2024-26903 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security During our fuzz testing of the connection and disconnection proces… | |||
| CVE-2024-26906 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() When trying to use copy_from_kernel_nofault() to read vsyscall… | |||
| CVE-2024-43892 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: memcg: protect concurrent access to mem_cgroup_idr Commit 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after many s… | |||
| CVE-2024-43888 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: mm: list_lru: fix UAF for memory cgroup The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or cgroup_mutex or… | |||
| CVE-2024-43856 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: dma: fix call order in dmam_free_coherent dmam_free_coherent() frees a DMA allocation, which makes the freed vaddr available for … | |||
| CVE-2024-43842 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() In rtw89_sta_info_get_iter() 'status->he_gi' is compared to arr… | |||
| CVE-2024-42271 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use after free in iucv_sock_close() iucv_sever_path() is called from process context and from bh context. iucv->pat… | |||
| CVE-2024-26915 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reset IH OVERFLOW_CLEAR bit Allows us to detect subsequent IH ring buffer overflows as well. | |||
| CVE-2024-42141 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Check socket flag instead of hcon This fixes the following Smatch static checker warning: net/bluetooth/iso.c:13… | |||
| CVE-2024-42132 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: bluetooth/hci: disallow setting handle bigger than HCI_CONN_HANDLE_MAX Syzbot hit warning in hci_conn_del() caused by freeing han… | |||
| CVE-2024-42123 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix double free err_addr pointer warnings In amdgpu_umc_bad_page_polling_timeout, the amdgpu_umc_handle_bad_pages wil… | |||
| CVE-2024-42090 | medium | 5.5 | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER In create_pinctrl(), pinctrl_maps_mutex is acquired before … | |||
| CVE-2024-41092 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix potential UAF by revoke of fence registers CI has been sporadically reporting the following issue triggered by i… | |||
| CVE-2024-41063 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: cancel all works upon hci_unregister_dev() syzbot is reporting that calling hci_release_dev() from hci_error… | |||
| CVE-2024-41001 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: io_uring/sqpoll: work around a potential audit memory leak kmemleak complains that there's a memory leak related to connect handl… | |||
| CVE-2024-26922 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate the parameters of bo mapping operations more clearly Verify the parameters of amdgpu_vm_bo_(map/replace_map/… | |||
| CVE-2024-26924 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: do not free live element Pablo reports a crash with large batches of elements with a back-to-back add/… | |||
| CVE-2024-26928 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) t… | |||
| CVE-2024-0340 | medium | — | 5.5 | 2y ago | A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating sys… | |||
| CVE-2024-40967 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a … | |||
| CVE-2024-40965 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clk_get_rate during transfer Instead of repeatedly calling clk_get_rate for each transfer, lock the clo… | |||
| CVE-2024-1151 | medium | — | 5.5 | 2y ago | A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does … | |||
| CVE-2024-40948 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: mm/page_table_check: fix crash on ZONE_DEVICE Not all pages may apply to pgtable check. One example is ZONE_DEVICE pages: they m… | |||
| CVE-2024-40925 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: block: fix request.queuelist usage in flush Friedrich Weber reported a kernel crash problem and bisected to commit 81ada09cc25e (… | |||
| CVE-2024-40913 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: cachefiles: defer exposing anon_fd until after copy_to_user() succeeds After installing the anonymous fd, we can now see it in us… | |||
| CVE-2024-39507 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash problem in concurrent scenario When link status change, the nic driver need to notify the roce driver… | |||
| CVE-2024-25739 | medium | 5.5 | 5.5 | 2y ago | create_empty_lvol in drivers/mtd/ubi/vtbl.c in the Linux kernel through 6.7.4 can attempt to allocate zero bytes, and crash, because of a missing check for ubi->leb_size. | |||
| CVE-2024-26589 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: bpf: Reject variable offset alu on PTR_TO_FLOW_KEYS For PTR_TO_FLOW_KEYS, check_flow_keys_access() only uses fixed off for valida… | |||
| CVE-2024-26591 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: bpf: Fix re-attachment branch in bpf_tracing_prog_attach The following case can cause a crash due to missing attach_btf: 1) load… | |||
| CVE-2024-39498 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2 [Why] Commit: - commit 5aa1dfcdf0a4 ("drm/mst: Refactor the flo… | |||
| CVE-2024-26601 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd ("ext4: remove redun… | |||
| CVE-2024-26611 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpf_xdp_adjust_tail() and memory type i… | |||
| CVE-2024-39291 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix buffer size in gfx_v9_4_3_init_ cp_compute_microcode() and rlc_microcode() The function gfx_v9_4_3_init_microcode… | |||
| CVE-2024-26612 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: Prevent Oops in fscache_put_cache() This function dereferences "cache" and then checks if it's IS_ERR_OR_NULL(). … | |||
| CVE-2024-26618 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit sme_alloc() early with existing storage When sme_alloc() is called with existing storage and we are not fl… | |||
| CVE-2024-26631 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work idev->mc_ifc_count can be written over without proper locking. Origina… | |||
| CVE-2024-26646 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: thermal: intel: hfi: Add syscore callbacks for system-wide PM The kernel allocates a memory buffer and provides its location to t… | |||
| CVE-2024-38388 | medium | — | 5.5 | 2y ago | In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup Use the control private_free callback to free the associated data bloc… |