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CVE-2011-2518

18
FAUCET Score

CVE-2011-2518 is a denial-of-service vulnerability affecting the Linux kernel versions prior to 2.6.39.2. A flaw in the tomoyo_mount_acl function allows local users to trigger an OOPS (kernel panic) by providing a NULL device name during a mount system call, potentially leading to system instability. With a CVSS score of 4.9, it has a low attack complexity and requires local access, primarily resulting in a denial of service. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.39.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
33.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 60th percentile among its peer group of 3,049 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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-2011-2518

CVE-2011-2518

References

ftp.osuosl.org / pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
Broken Link
git.kernel.org
marc.info
Third Party Advisory
github.com / torvalds/linux/commit/4e78c724d47e2342aa8fde61f6b8536f662f795f
PatchThird Party Advisory
openwall.com / lists/oss-security/2011/07/01/5
Mailing ListThird Party Advisory