CVE-2010-4073
Description
The ipc subsystem in the Linux kernel before 2.6.37-rc1 does not initialize certain structures, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to the (1) compat_sys_semctl, (2) compat_sys_msgctl, and (3) compat_sys_shmctl functions in ipc/compat.c; and the (4) compat_sys_mq_open and (5) compat_sys_mq_getsetattr functions in ipc/compat_mq.c.
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 < 2.6.36.2 (Ubuntu 10.04) - 'Half-Nelson.c' Econet Privilege Escalation
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | — |
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 2.6.37 |
SUSE Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.3 | Affected | — |
| 11 | Affected | — |
| 10 | Affected | — |
| 9 | Affected | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=03145beb455cf5c20a761e8451e30b8a74ba58d9
- 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/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://lkml.org/lkml/2010/10/6/492
- http://secunia.com/advisories/42778
- http://secunia.com/advisories/42884
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/42932
- http://secunia.com/advisories/42963
- http://secunia.com/advisories/43291
- http://secunia.com/advisories/46397
- http://securityreason.com/securityalert/8366
- http://www.debian.org/security/2010/dsa-2126
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
- 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/2010/10/07/1
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://www.redhat.com/support/errata/RHSA-2011-0162.html
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.