5.5 Medium
AI Score
Confidence
Low
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:P/A:N
0.0004 Low
EPSS
Percentile
5.2%
The perf_trace_event_perm function in kernel/trace/trace_event_perf.c in the Linux kernel before 3.12.2 does not properly restrict access to the perf subsystem, which allows local users to enable function tracing via a crafted application.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=12ae030d54ef250706da5642fc7697cc60ad0df7
rhn.redhat.com/errata/RHSA-2014-0100.html
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.2
www.ubuntu.com/usn/USN-2068-1
www.ubuntu.com/usn/USN-2070-1
www.ubuntu.com/usn/USN-2071-1
www.ubuntu.com/usn/USN-2072-1
www.ubuntu.com/usn/USN-2074-1
www.ubuntu.com/usn/USN-2075-1
www.ubuntu.com/usn/USN-2076-1
www.ubuntu.com/usn/USN-2112-1
github.com/torvalds/linux/commit/12ae030d54ef250706da5642fc7697cc60ad0df7