CVE-2013-2094
linux kernel
Published 14 May 2013 · updated 16 Jun 2026 · Analyzed
8.4 High · CVSS 3.1, CISA ADP
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 15 Sept 2022, with a remediation deadline of 6 Oct 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.
References
- git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f · Not Applicable
- lists.centos.org/pipermail/centos-announce/2013-May/019729.html · Third Party Advisory, VDB Entry
- lists.centos.org/pipermail/centos-announce/2013-May/019733.html · Third Party Advisory, VDB Entry
- lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html · Third Party Advisory, VDB Entry
- lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html · Third Party Advisory, VDB Entry
- lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html · Third Party Advisory, VDB Entry
- lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html · Third Party Advisory, VDB Entry
- lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html · Third Party Advisory, VDB Entry
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html · Third Party Advisory, VDB Entry
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html · Third Party Advisory, VDB Entry
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html · Third Party Advisory
- news.ycombinator.com/item?id=5703758 · Third Party Advisory
- packetstormsecurity.com/files/121616/semtex.c · Exploit, Third Party Advisory, VDB Entry
- rhn.redhat.com/errata/RHSA-2013-0830.html · Third Party Advisory
- twitter.com/djrbliss/statuses/334301992648331267 · Patch
- www.exploit-db.com/exploits/33589 · Third Party Advisory, VDB Entry
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 · Not Applicable
- www.mandriva.com/security/advisories?name=MDVSA-2013:176 · Mailing List, Third Party Advisory
- www.openwall.com/lists/oss-security/2013/05/14/6 · Mailing List, Third Party Advisory
- www.osvdb.org/93361 · Broken Link
- www.reddit.com/r/netsec/comments/1eb9iw · Third Party Advisory
- www.ubuntu.com/usn/USN-1825-1 · Third Party Advisory
- www.ubuntu.com/usn/USN-1826-1 · Third Party Advisory
- www.ubuntu.com/usn/USN-1827-1 · Third Party Advisory
- www.ubuntu.com/usn/USN-1828-1 · Third Party Advisory