CVE-2012-6638
high
CVSS v3
—
CVSS v2
7.8
VIR risk
7.8
Description
The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets, a different vulnerability than CVE-2012-2663.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-6638
Vendor advisory: cve@mitre.org — https://github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa
Vendor advisory: cve@mitre.org — http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.2.29-1 |
| debian | bullseye | fixed | 3.2.29-1 |
| debian | forky | fixed | 3.2.29-1 |
| debian | sid | fixed | 3.2.29-1 |
| debian | trixie | fixed | 3.2.29-1 |
| linux-kernel | affected | 3.0.38 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fdf5af0daf8019cec2396cdef8fb042d80fe71fa
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- https://bugzilla.redhat.com/show_bug.cgi?id=826702
- https://github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa
- https://security-tracker.debian.org/tracker/CVE-2012-6638
CWEs
CWE-400
Verify integrity in audit chain (admin only). AS-IS.