4.6 Medium
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
9.4%
The do_splice_from function in fs/splice.c in the Linux kernel before
2.6.27 does not reject file descriptors that have the O_APPEND flag set,
which allows local users to bypass append mode and make arbitrary changes
to other locations in the file.