CVE-2013-2094

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.

Score

CVSS 3.1 8.4 High

Status

Analyzed - secalert@redhat.com

Published

2013-05-14

Last modified

2025-10-22

Known exploited (CISA KEV)

since 2022-09-15, action due 2022-10-06: Apply updates per vendor instructions.

Weaknesses

CWE-189

Affected products

• Linux Kernel (Linux)

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f
• http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html
• http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html
• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html
• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html
• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html
• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html
• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html
• http://news.ycombinator.com/item?id=5703758
• http://packetstormsecurity.com/files/121616/semtex.c
• http://rhn.redhat.com/errata/RHSA-2013-0830.html
• http://twitter.com/djrbliss/statuses/334301992648331267
• http://www.exploit-db.com/exploits/33589
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
• http://www.openwall.com/lists/oss-security/2013/05/14/6
• http://www.osvdb.org/93361
• http://www.reddit.com/r/netsec/comments/1eb9iw
• http://www.ubuntu.com/usn/USN-1825-1
• http://www.ubuntu.com/usn/USN-1826-1
• http://www.ubuntu.com/usn/USN-1827-1
• http://www.ubuntu.com/usn/USN-1828-1
• http://www.ubuntu.com/usn/USN-1836-1
• http://www.ubuntu.com/usn/USN-1838-1
• https://bugzilla.redhat.com/show_bug.cgi?id=962792
• https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094