Permissions, Privileges, and Access Controls in Linux kernel - CVE-2013-2930
Published: December 9, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42247
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-2930
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2013-2930
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12ae030d54ef250706da5642fc7697cc60ad0df7
- http://rhn.redhat.com/errata/RHSA-2014-0100.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.2
- http://www.ubuntu.com/usn/USN-2068-1
- http://www.ubuntu.com/usn/USN-2070-1
- http://www.ubuntu.com/usn/USN-2071-1
- http://www.ubuntu.com/usn/USN-2072-1
- http://www.ubuntu.com/usn/USN-2074-1
- http://www.ubuntu.com/usn/USN-2075-1
- http://www.ubuntu.com/usn/USN-2076-1
- http://www.ubuntu.com/usn/USN-2112-1
- https://github.com/torvalds/linux/commit/12ae030d54ef250706da5642fc7697cc60ad0df7