CVE-2011-2493
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
2.1
Description
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.
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 9 releases
| Version | Status | Fixed in |
|---|---|---|
| 2.6.38.7 | Affected | — |
| 2.6.38.6 | Affected | — |
| 2.6.38.5 | Affected | — |
| 2.6.38.4 | Affected | — |
| 2.6.38.3 | Affected | — |
| 2.6.38.2 | Affected | — |
| 2.6.38.1 | Affected | — |
| 2.6.38 | Affected | — |
| — | Affected | — |
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
- http://www.openwall.com/lists/oss-security/2011/06/24/4
- https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
- http://www.openwall.com/lists/oss-security/2011/06/24/4
- https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.