6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
9.3%
The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a “double-chroot attack.”
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | linux | < 4.2.1-1 | linux_4.2.1-1_all.deb |
Debian | 11 | all | linux | < 4.2.1-1 | linux_4.2.1-1_all.deb |
Debian | 10 | all | linux | < 4.2.1-1 | linux_4.2.1-1_all.deb |
Debian | 999 | all | linux | < 4.2.1-1 | linux_4.2.1-1_all.deb |
Debian | 13 | all | linux | < 4.2.1-1 | linux_4.2.1-1_all.deb |