CVE-2011-2928
MEDIUM · CVSS 4.9EPSS 0.5%EU EUVD
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.
Key facts
- CVSS score
- 4.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-476
- EPSS score
- 0.5% (43th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2901)
- Published
- August 29, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2901 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2
- http://securityreason.com/securityalert/8360(Exploit, Third Party Advisory)
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3(Broken Link)
- http://www.openwall.com/lists/oss-security/2011/08/19/1(Exploit, Mailing List, Patch, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2011/08/19/5(Exploit, Mailing List, Patch, Third Party Advisory)
- http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt(Exploit, Third Party Advisory)
- http://www.securityfocus.com/archive/1/519387/100/0/threaded(Exploit, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/49256(Third Party Advisory, VDB Entry)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69343(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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