VULNERABILITY INTELLIGENCE

CVE-2010-2071

CVSS score4.6 MEDIUM
EPSS probability0.47%
CISA KEVNot currently listed
Published2010-06-16
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:P/I:P/A:P

Description

The btrfs_xattr_set_acl function in fs/btrfs/acl.c in btrfs in the Linux kernel 2.6.34 and earlier does not check file ownership before setting an ACL, which allows local users to bypass file permissions by setting arbitrary ACLs, as demonstrated using setfacl.

Primary references