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CVE-2011-2209

13
FAUCET Score

CVE-2011-2209 describes an integer signedness error in the Linux kernel's osf_sysinfo function, specifically affecting Alpha-based systems running kernel versions prior to 2.6.39.4. This vulnerability has a low severity CVSS score of 2.1, indicating that a local attacker could potentially cause a denial of service (A:P) by obtaining sensitive information from kernel memory. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.39.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
2.6.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.39:*:*:*:*:*:*:*
2.6.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.39:rc1:*:*:*:*:*:*
2.6.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.39:rc2:*:*:*:*:*:*
2.6.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.39: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
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 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-2011-2209

CVE-2011-2209

References

ftp.osuosl.org / pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
git.kernel.org
github.com / torvalds/linux/commit/21c5977a836e399fc710ff2c5367845ed5c2527f
ExploitPatch
openwall.com / lists/oss-security/2011/06/15/7