CVE-2010-1437
Description
Race condition in the find_keyring_by_name function in security/keys/keyring.c in the Linux kernel 2.6.34-rc5 and earlier allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via keyctl session commands that trigger access to a dead keyring that is undergoing deletion by the key_cleanup function.
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 2.6.34 - 'find_keyring_by_name()' Local Memory Corruption
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | — |
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 2.6.34 | Affected | — |
| — | Affected | 2.6.34 |
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.1 | Affected | — |
| 11 | Affected | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html
- http://marc.info/?l=linux-kernel&m=127192182917857&w=2
- http://marc.info/?l=linux-kernel&m=127274294622730&w=2
- http://marc.info/?l=linux-kernel&m=127292492727029&w=2
- http://secunia.com/advisories/39830
- http://secunia.com/advisories/40218
- http://secunia.com/advisories/40645
- http://secunia.com/advisories/43315
- http://www.debian.org/security/2010/dsa-2053
- http://www.openwall.com/lists/oss-security/2010/04/27/2
- http://www.openwall.com/lists/oss-security/2010/04/28/2
- http://www.redhat.com/support/errata/RHSA-2010-0474.html
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
- http://www.securityfocus.com/bid/39719
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- http://www.vupen.com/english/advisories/2010/1857
- https://bugzilla.redhat.com/show_bug.cgi?id=585094
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58254
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9715
- https://patchwork.kernel.org/patch/94038/
- https://patchwork.kernel.org/patch/94664/
- http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html
- http://marc.info/?l=linux-kernel&m=127192182917857&w=2
- http://marc.info/?l=linux-kernel&m=127274294622730&w=2
- http://marc.info/?l=linux-kernel&m=127292492727029&w=2
CWEs
CWE-362 CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.