CVE-2012-4508
low
CVSS v3
—
CVSS v2
1.9
VIR risk
1.9
Description
Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-4508
Vendor advisory: secalert@redhat.com — https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.2.35-1 |
| debian | bullseye | fixed | 3.2.35-1 |
| debian | forky | fixed | 3.2.35-1 |
| debian | sid | fixed | 3.2.35-1 |
| debian | trixie | fixed | 3.2.35-1 |
| linux-kernel | affected | | |
| linux-kernel | 3.0 | affected | |
| linux-kernel | 3.0.1 | affected | |
| linux-kernel | 3.0.2 | affected | |
| linux-kernel | 3.0.3 | affected | |
| linux-kernel | 3.0.4 | affected | |
| linux-kernel | 3.0.5 | affected | |
| linux-kernel | 3.0.6 | affected | |
| linux-kernel | 3.0.7 | affected | |
| linux-kernel | 3.0.8 | affected | |
| linux-kernel | 3.0.9 | affected | |
| linux-kernel | 3.0.10 | affected | |
| linux-kernel | 3.0.11 | affected | |
| linux-kernel | 3.0.12 | affected | |
| linux-kernel | 3.0.13 | affected | |
| linux-kernel | 3.0.14 | affected | |
| linux-kernel | 3.0.15 | affected | |
| linux-kernel | 3.0.16 | affected | |
| linux-kernel | 3.0.17 | affected | |
| linux-kernel | 3.0.18 | affected | |
| linux-kernel | 3.0.19 | affected | |
| linux-kernel | 3.0.20 | affected | |
| linux-kernel | 3.0.21 | affected | |
| linux-kernel | 3.0.22 | affected | |
| linux-kernel | 3.0.23 | affected | |
| linux-kernel | 3.0.24 | affected | |
| linux-kernel | 3.0.25 | affected | |
| linux-kernel | 3.0.26 | affected | |
| linux-kernel | 3.0.27 | affected | |
| linux-kernel | 3.0.28 | affected | |
| linux-kernel | 3.0.29 | affected | |
| linux-kernel | 3.0.30 | affected | |
| linux-kernel | 3.0.31 | affected | |
| linux-kernel | 3.0.32 | affected | |
| linux-kernel | 3.0.33 | affected | |
| linux-kernel | 3.0.34 | affected | |
| linux-kernel | 3.0.35 | affected | |
| linux-kernel | 3.0.36 | affected | |
| linux-kernel | 3.0.37 | affected | |
| linux-kernel | 3.0.38 | affected | |
| linux-kernel | 3.0.39 | affected | |
| linux-kernel | 3.0.40 | affected | |
| linux-kernel | 3.0.41 | affected | |
| linux-kernel | 3.0.42 | affected | |
| linux-kernel | 3.0.43 | affected | |
| linux-kernel | 3.0.44 | affected | |
| linux-kernel | 3.1 | affected | |
| linux-kernel | 3.1.1 | affected | |
| linux-kernel | 3.1.2 | affected | |
| linux-kernel | 3.1.3 | affected | |
| linux-kernel | 3.1.4 | affected | |
| linux-kernel | 3.1.5 | affected | |
| linux-kernel | 3.1.6 | affected | |
| linux-kernel | 3.1.7 | affected | |
| linux-kernel | 3.1.8 | affected | |
| linux-kernel | 3.1.9 | affected | |
| linux-kernel | 3.1.10 | 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 | 3.2.29 | affected | |
| linux-kernel | 3.2.30 | affected | |
| linux-kernel | 3.3 | affected | |
| linux-kernel | 3.3.1 | affected | |
| linux-kernel | 3.3.2 | affected | |
| linux-kernel | 3.3.3 | affected | |
| linux-kernel | 3.3.4 | affected | |
| linux-kernel | 3.3.5 | affected | |
| linux-kernel | 3.3.6 | affected | |
| linux-kernel | 3.3.7 | affected | |
| linux-kernel | 3.3.8 | affected | |
| linux-kernel | 3.4 | affected | |
| linux-kernel | 3.4.1 | affected | |
| linux-kernel | 3.4.2 | affected | |
| linux-kernel | 3.4.3 | affected | |
| linux-kernel | 3.4.4 | affected | |
| linux-kernel | 3.4.5 | affected | |
| linux-kernel | 3.4.10 | affected | |
| linux-kernel | 3.4.11 | affected | |
| linux-kernel | 3.4.12 | affected | |
| linux-kernel | 3.4.13 | affected | |
| linux-kernel | 3.4.14 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dee1f973ca341c266229faa5a1a5bb268bed3531
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
- http://rhn.redhat.com/errata/RHSA-2012-1540.html
- http://rhn.redhat.com/errata/RHSA-2013-0496.html
- http://rhn.redhat.com/errata/RHSA-2013-1519.html
- http://rhn.redhat.com/errata/RHSA-2013-1783.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
- http://www.openwall.com/lists/oss-security/2012/10/25/1
- http://www.ubuntu.com/usn/USN-1645-1
- http://www.ubuntu.com/usn/USN-1899-1
- http://www.ubuntu.com/usn/USN-1900-1
- https://bugzilla.redhat.com/show_bug.cgi?id=869904
- https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531
- https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
- https://security-tracker.debian.org/tracker/CVE-2012-4508
CWEs
CWE-362
Verify integrity in audit chain (admin only). AS-IS.