CVE-2013-4254

Description

The validate_event function in arch/arm/kernel/perf_event.c in the Linux kernel before 3.10.8 on the ARM platform allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by adding a hardware event to an event group led by a software event.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-1970-1 vendor advisory
http://secunia.com/advisories/54494 third party advisory
http://www.ubuntu.com/usn/USN-1975-1 vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c95eb3184ea1a3a2551df57190c81da695e2144b
http://www.ubuntu.com/usn/USN-1971-1 vendor advisory
http://www.ubuntu.com/usn/USN-1968-1 vendor advisory
http://www.ubuntu.com/usn/USN-1969-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998878
http://www.ubuntu.com/usn/USN-1973-1 vendor advisory
https://github.com/torvalds/linux/commit/c95eb3184ea1a3a2551df57190c81da695e2144b patch
http://www.ubuntu.com/usn/USN-1974-1 vendor advisory
http://www.openwall.com/lists/oss-security/2013/08/16/6 mailing list
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.8
http://www.ubuntu.com/usn/USN-1972-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4254?
CVE-2013-4254 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4254?
To fix CVE-2013-4254, 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-2013-4254 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4254 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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