CVE-2013-2094

Known Exploited Public Exploit

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.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 61.54% Top 5%
KEV Since 
Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html vdb entry third party advisory vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 mailing list third party advisory vendor advisory
http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html third party advisory mailing list
http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html mailing list vdb entry third party advisory
http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html mailing list vdb entry third party advisory
http://www.ubuntu.com/usn/USN-1826-1 third party advisory vendor advisory
http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html mailing list vdb entry third party advisory
http://www.ubuntu.com/usn/USN-1838-1 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=962792 issue tracking
https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f third party advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 not applicable
http://www.ubuntu.com/usn/USN-1828-1 third party advisory vendor advisory
http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html mailing list vdb entry third party advisory
http://www.ubuntu.com/usn/USN-1827-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1836-1 third party advisory vendor advisory
http://www.osvdb.org/93361 vdb entry broken link
http://www.exploit-db.com/exploits/33589 exploit vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2013-0830.html third party advisory vendor advisory
http://news.ycombinator.com/item?id=5703758 third party advisory
http://www.openwall.com/lists/oss-security/2013/05/14/6 third party advisory mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f not applicable
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html vdb entry third party advisory vendor advisory
http://packetstormsecurity.com/files/121616/semtex.c exploit vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html vdb entry third party advisory vendor advisory
http://twitter.com/djrbliss/statuses/334301992648331267 patch
http://www.reddit.com/r/netsec/comments/1eb9iw third party advisory
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html vdb entry third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1825-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html vdb entry third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-2094?
CVE-2013-2094 has been scored as a high severity vulnerability.
How to fix CVE-2013-2094?
To fix CVE-2013-2094, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2094 being actively exploited in the wild?
It is confirmed that CVE-2013-2094 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~62% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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