CVE-2012-6657
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.9
Description
The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.
Predictions
Exploit likelihood
20%
Patch ETA
—
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.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.6.4-1 |
| debian | bullseye | fixed | 3.6.4-1 |
| debian | forky | fixed | 3.6.4-1 |
| debian | sid | fixed | 3.6.4-1 |
| debian | trixie | fixed | 3.6.4-1 |
| suse | 10.0 | affected | |
| suse | 11.0 | affected | |
| linux-kernel | affected | | |
| linux-kernel | 3.5.1 | affected | |
| linux-kernel | 3.5.2 | affected | |
| linux-kernel | 3.5.3 | affected | |
| linux-kernel | 3.5.4 | affected | |
| linux-kernel | 3.5.5 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
- http://www.openwall.com/lists/oss-security/2014/09/15/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1141742
- https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582
- https://security-tracker.debian.org/tracker/CVE-2012-6657
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.