CVE-2013-2141

Public Exploit

Description

The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=970873
http://www.ubuntu.com/usn/USN-1899-1 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor advisory
http://www.openwall.com/lists/oss-security/2013/06/04/10 mailing list
https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f patch exploit
http://www.debian.org/security/2013/dsa-2766 vendor advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1801.html vendor advisory
http://secunia.com/advisories/55055 third party advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
http://www.ubuntu.com/usn/USN-1900-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-2141?
CVE-2013-2141 has been scored as a low severity vulnerability.
How to fix CVE-2013-2141?
To fix CVE-2013-2141, 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-2013-2141 being actively exploited in the wild?
It is possible that CVE-2013-2141 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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