CVE-2011-2928

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.

CVSS v2.0 NVD

4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS

0.51% chance of exploitation in the next 30 days, 42nd percentile

Published

2011-08-29

Updated

2024-08-06

Proof-of-concept exploits (1)

• http://securityreason.com/securityalert/8360

Security advisories

• http://www.openwall.com/lists/oss-security/2011/08/19/1
• http://www.openwall.com/lists/oss-security/2011/08/19/5
• http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt
• http://www.securityfocus.com/archive/1/519387/100/0/threaded
• http://www.securityfocus.com/bid/49256
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69343

References

• CVE Record
• NVD entry