CVE-2012-3520
low
CVSS v3
—
CVSS v2
1.9
VIR risk
1.9
Description
The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-3520
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 | | |
| linux-kernel | 2.3.2 | affected | |
| linux-kernel | 2.3.20 | affected | |
| linux-kernel | 2.3.21 | affected | |
| linux-kernel | 2.3.22 | affected | |
| linux-kernel | 2.3.23 | affected | |
| linux-kernel | 2.3.24 | affected | |
| linux-kernel | 2.3.25 | affected | |
| linux-kernel | 2.3.26 | affected | |
| linux-kernel | 2.3.27 | affected | |
| linux-kernel | 2.3.28 | affected | |
| linux-kernel | 2.3.29 | affected | |
| linux-kernel | 2.4.33.2 | affected | |
| linux-kernel | 2.6.13.2 | affected | |
| linux-kernel | 2.6.23.2 | affected | |
| linux-kernel | 2.6.33.2 | affected | |
| linux-kernel | 2.6.33.20 | affected | |
| linux-kernel | 3.2 | affected | |
| linux-kernel | 3.2.1 | affected | |
| linux-kernel | 3.2.2 | affected | |
| linux-kernel | 3.2.3 | affected | |
| linux-kernel | 3.2.4 | affected | |
| linux-kernel | 3.2.5 | affected | |
| linux-kernel | 3.2.6 | affected | |
| linux-kernel | 3.2.7 | affected | |
| linux-kernel | 3.2.8 | affected | |
| linux-kernel | 3.2.9 | affected | |
| linux-kernel | 3.2.10 | affected | |
| linux-kernel | 3.2.11 | affected | |
| linux-kernel | 3.2.12 | affected | |
| linux-kernel | 3.2.13 | affected | |
| linux-kernel | 3.2.14 | affected | |
| linux-kernel | 3.2.15 | affected | |
| linux-kernel | 3.2.16 | affected | |
| linux-kernel | 3.2.17 | affected | |
| linux-kernel | 3.2.18 | affected | |
| linux-kernel | 3.2.19 | affected | |
| linux-kernel | 3.2.20 | affected | |
| linux-kernel | 3.2.21 | affected | |
| linux-kernel | 3.2.22 | affected | |
| linux-kernel | 3.2.23 | affected | |
| linux-kernel | 3.2.24 | affected | |
| linux-kernel | 3.2.25 | affected | |
| linux-kernel | 3.2.26 | affected | |
| linux-kernel | 3.2.27 | affected | |
| linux-kernel | 3.2.28 | affected | |
| linux-kernel | 3.3.2 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
- http://secunia.com/advisories/50848
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
- http://www.openwall.com/lists/oss-security/2012/08/22/1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/55152
- http://www.ubuntu.com/usn/USN-1599-1
- http://www.ubuntu.com/usn/USN-1610-1
- https://bugzilla.redhat.com/show_bug.cgi?id=850449
- https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
- https://security-tracker.debian.org/tracker/CVE-2012-3520
CWEs
CWE-287
Verify integrity in audit chain (admin only). AS-IS.