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CVE-2011-2493

13
FAUCET Score

CVE-2011-2493 describes a denial-of-service vulnerability in the Linux kernel, specifically within the ext4 filesystem's ext4_fill_super function. This flaw, present in versions prior to 2.6.39, allows a local attacker to trigger a system crash (OOPS) by attempting to mount a specially crafted ext4 filesystem. The vulnerability has a low severity CVSS score (AV:L/AC:L/Au:N/C:N/I:N/A:P), indicating local access and low attack complexity are required, with the sole impact being system availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.38.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
2.6.38CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.38:*:*:*:*:*:*:*
2.6.38CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*
2.6.38CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.38:rc2:*:*:*:*:*:*
2.6.38CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.38:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
37.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 70th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-2493

CVE-2011-2493

References

ftp.osuosl.org / pub/linux/kernel/v2.6/ChangeLog-2.6.39
git.kernel.org
github.com / torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
ExploitPatch
openwall.com / lists/oss-security/2011/06/24/4