Is CVE-2011-2928 in the CISA KEV catalog?

No. CVE-2011-2928 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2928?

CVE-2011-2928 has a CVSS v2 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2011-2928?

CVE-2011-2928 has an EPSS score of 0.51% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2928?

Upgrade linux kernel to 3.1 or later.

CVE & CISA-KEV Catalog

CVE-2011-2928

MEDIUM

4.9

CVSS v2

NVD

Description

The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

linux kernelNVD

Affected:< 3.1Fixed in:3.1CVE-2011-2928derived 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

0.51%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

Patch2

Exploit3

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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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.