CVE-2013-1792

Description

Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory ubuntu.com 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 ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-1796-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html vendor advisory
https://github.com/torvalds/linux/commit/0da9dfdd2cd9889201bc6f6f43580c99165cd087
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor advisory
http://www.ubuntu.com/usn/USN-1797-1 vendor advisory
http://www.ubuntu.com/usn/USN-1788-1 vendor advisory
http://www.openwall.com/lists/oss-security/2013/03/07/1 mailing list
http://www.ubuntu.com/usn/USN-1793-1 vendor advisory
http://www.ubuntu.com/usn/USN-1792-1 vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0da9dfdd2cd9889201bc6f6f43580c99165cd087
https://bugzilla.redhat.com/show_bug.cgi?id=916646
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3
http://www.ubuntu.com/usn/USN-1794-1 vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0744.html vendor advisory
http://www.ubuntu.com/usn/USN-1795-1 vendor advisory
http://www.ubuntu.com/usn/USN-1787-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html vendor advisory
http://www.ubuntu.com/usn/USN-1798-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-1792?
CVE-2013-1792 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1792?
To fix CVE-2013-1792, 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-2013-1792 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1792 is being actively exploited. 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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