CVE-2010-3437
Description
Integer signedness error in the pkt_find_dev_from_minor function in drivers/block/pktcdvd.c in the Linux kernel before 2.6.36-rc6 allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and system crash) via a crafted index value in a PKT_CTRL_CMD_STATUS ioctl call.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux Kernel < 2.6.36-rc6 (RedHat / Ubuntu 10.04) - 'pktcdvd' Kernel Memory Disclosure
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | — |
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 2.6.36 | Affected | — |
| — | Affected | 2.6.36 |
SUSE Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.3 | Affected | — |
| 11.2 | Affected | — |
| 11 | Affected | — |
| 10 | Affected | — |
| 9 | Affected | — |
Ubuntu Affected 6 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 9.10 | Affected | — |
| 9.04 | Affected | — |
| 8.04 | Affected | — |
| 6.06 | Affected | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=252a52aa4fa22a668f019e55b3aac3ff71ec1c29
- http://jon.oberheide.org/files/cve-2010-3437.c
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://secunia.com/advisories/42778
- http://secunia.com/advisories/42801
- http://secunia.com/advisories/42932
- http://www.debian.org/security/2010/dsa-2126
- http://www.exploit-db.com/exploits/15150/
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc6
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.openwall.com/lists/oss-security/2010/09/28/2
- http://www.openwall.com/lists/oss-security/2010/09/28/6
- http://www.redhat.com/support/errata/RHSA-2010-0842.html
- http://www.securityfocus.com/bid/43551
- http://www.ubuntu.com/usn/USN-1000-1
- http://www.vupen.com/english/advisories/2011/0012
- http://www.vupen.com/english/advisories/2011/0124
- http://www.vupen.com/english/advisories/2011/0298
- https://bugzilla.redhat.com/show_bug.cgi?id=638085
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=252a52aa4fa22a668f019e55b3aac3ff71ec1c29
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.