4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
6.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
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.
CPE | Name | Operator | Version |
---|---|---|---|
linux:linux_kernel | linux linux kernel | le | 2.6.34 |
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