Is CVE-2011-2517 in the CISA KEV catalog?

No. CVE-2011-2517 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2517?

CVE-2011-2517 has a CVSS v2 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2011-2517?

CVE-2011-2517 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2517?

Upgrade linux kernel to 2.6.39.2 or later.

CVE & CISA-KEV Catalog

CVE-2011-2517

HIGH

7.2

CVSS v2

NVD

Description

Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.

CWE-119Buffer Overflow

How to fix

Remediation Available

linux kernelNVD

Affected:< 2.6.39.2Fixed in:2.6.39.2CVE-2011-2517derived 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

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory3

Other references2

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

Embed a live status badge for CVE-2011-2517

Markdown

[![CVE-2011-2517](https://tridentstack.com/cve/badge/CVE-2011-2517.svg)](https://tridentstack.com/cve/CVE-2011-2517)

HTML

<a href="https://tridentstack.com/cve/CVE-2011-2517"><img src="https://tridentstack.com/cve/badge/CVE-2011-2517.svg" alt="CVE-2011-2517"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.