CVE-2012-6689
high
CVSS v3
7.8
CVSS v2
7.2
VIR risk
7.8
Description
The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-6689
Vendor advisory: cve@mitre.org — http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5
Vendor advisory: cve@mitre.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef
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 |
| linux-kernel | affected | 3.0.44 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef
- http://marc.info/?l=linux-netdev&m=134522422125983&w=2
- http://marc.info/?l=linux-netdev&m=134522422925986&w=2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5
- http://www.openwall.com/lists/oss-security/2015/02/22/10
- http://www.securityfocus.com/bid/72739
- https://bugzilla.redhat.com/show_bug.cgi?id=848949
- https://github.com/torvalds/linux/commit/20e1db19db5d6b9e4e83021595eab0dc8f107bef
- https://security-tracker.debian.org/tracker/CVE-2012-6689
CWEs
CWE-284
Verify integrity in audit chain (admin only). AS-IS.