CVE-2013-7421
low
CVSS v3
—
CVSS v2
2.1
VIR risk
2.1
Description
The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-7421
Vendor advisory: cve@mitre.org — https://github.com/torvalds/linux/commit/5d26a105b5a73e5635eae0629b42fa0a90e07b7b
Vendor advisory: cve@mitre.org — http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.16.7-ckt4-2 |
| debian | bullseye | fixed | 3.16.7-ckt4-2 |
| debian | forky | fixed | 3.16.7-ckt4-2 |
| debian | sid | fixed | 3.16.7-ckt4-2 |
| debian | trixie | fixed | 3.16.7-ckt4-2 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| linux-kernel | affected | 3.18.5 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5d26a105b5a73e5635eae0629b42fa0a90e07b7b
- http://rhn.redhat.com/errata/RHSA-2016-0068.html
- http://www.debian.org/security/2015/dsa-3170
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:057
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
- http://www.openwall.com/lists/oss-security/2015/01/24/4
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/72322
- http://www.ubuntu.com/usn/USN-2513-1
- http://www.ubuntu.com/usn/USN-2514-1
- http://www.ubuntu.com/usn/USN-2543-1
- http://www.ubuntu.com/usn/USN-2544-1
- http://www.ubuntu.com/usn/USN-2545-1
- http://www.ubuntu.com/usn/USN-2546-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1185469
- https://github.com/torvalds/linux/commit/5d26a105b5a73e5635eae0629b42fa0a90e07b7b
- https://lkml.org/lkml/2013/3/4/70
- https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu
- https://security-tracker.debian.org/tracker/CVE-2013-7421
CWEs
CWE-269
Verify integrity in audit chain (admin only). AS-IS.