CVE-2011-2493 json
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…
published 14y ago modified 4mo ago also EUVD-2011-2480
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
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Check with FencerExploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Technology feeds
References
-
github.com
/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
exploit, patch
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
-
openwall.com
/lists/oss-security/2011/06/24/4
mailing-list
- ftp.osuosl.org /pub/linux/kernel/v2.6/ChangeLog-2.6.39
Sources
- CVE List CVE-2011-2493
- NVD CVE-2011-2493
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