CVE-2012-3520
low
CVSS v3
—
CVSS v4 NEW
—
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
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
Linux kernel Affected 47 releases
| Version | Status | Fixed in |
|---|---|---|
| 3.3.2 | Affected | — |
| 3.2.28 | Affected | — |
| 3.2.27 | Affected | — |
| 3.2.26 | Affected | — |
| 3.2.25 | Affected | — |
| 3.2.24 | Affected | — |
| 3.2.23 | Affected | — |
| 3.2.22 | Affected | — |
| 3.2.21 | Affected | — |
| 3.2.20 | Affected | — |
| 3.2.19 | Affected | — |
| 3.2.18 | Affected | — |
| 3.2.17 | Affected | — |
| 3.2.16 | Affected | — |
| 3.2.15 | Affected | — |
| 3.2.14 | Affected | — |
| 3.2.13 | Affected | — |
| 3.2.12 | Affected | — |
| 3.2.11 | Affected | — |
| 3.2.10 | Affected | — |
| 3.2.9 | Affected | — |
| 3.2.8 | Affected | — |
| 3.2.7 | Affected | — |
| 3.2.6 | Affected | — |
| 3.2.5 | Affected | — |
| 3.2.4 | Affected | — |
| 3.2.3 | Affected | — |
| 3.2.2 | Affected | — |
| 3.2.1 | Affected | — |
| 3.2 | Affected | — |
| 2.6.33.20 | Affected | — |
| 2.6.33.2 | Affected | — |
| 2.6.23.2 | Affected | — |
| 2.6.13.2 | Affected | — |
| 2.4.33.2 | Affected | — |
| 2.3.29 | Affected | — |
| 2.3.28 | Affected | — |
| 2.3.27 | Affected | — |
| 2.3.26 | Affected | — |
| 2.3.25 | Affected | — |
| 2.3.24 | Affected | — |
| 2.3.23 | Affected | — |
| 2.3.22 | Affected | — |
| 2.3.21 | Affected | — |
| 2.3.20 | Affected | — |
| 2.3.2 | Affected | — |
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.2.29-1 |
| sid | Fixed | 3.2.29-1 |
| forky | Fixed | 3.2.29-1 |
| bullseye | Fixed | 3.2.29-1 |
| bookworm | Fixed | 3.2.29-1 |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.