Is CVE-2011-1182 in the CISA KEV catalog?

No. CVE-2011-1182 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1182?

CVE-2011-1182 has a CVSS v2 base score of 3.6 (LOW).

What is the EPSS score for CVE-2011-1182?

CVE-2011-1182 has an EPSS score of 0.49% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1182?

Upgrade linux kernel to 2.6.39 or later.

CVE & CISA-KEV Catalog

CVE-2011-1182

LOW

3.6

CVSS v2

NVD

Description

kernel/signal.c in the Linux kernel before 2.6.39 allows local users to spoof the uid and pid of a signal sender via a sigqueueinfo system call.

How to fix

Remediation Available

linux kernelNVD

Affected:< 2.6.39Fixed in:2.6.39CVE-2011-1182derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.49%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory4

Other references1

git.kernel.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.