SB2013082505 - NULL pointer dereference in Linux kernel
Published: August 25, 2013 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2013-4254)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error 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. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c95eb3184ea1a3a2551df57190c81da695e2144b
- http://secunia.com/advisories/54494
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.8
- http://www.openwall.com/lists/oss-security/2013/08/16/6
- http://www.ubuntu.com/usn/USN-1968-1
- http://www.ubuntu.com/usn/USN-1969-1
- http://www.ubuntu.com/usn/USN-1970-1
- http://www.ubuntu.com/usn/USN-1971-1
- http://www.ubuntu.com/usn/USN-1972-1
- http://www.ubuntu.com/usn/USN-1973-1
- http://www.ubuntu.com/usn/USN-1974-1
- http://www.ubuntu.com/usn/USN-1975-1
- https://bugzilla.redhat.com/show_bug.cgi?id=998878
- https://github.com/torvalds/linux/commit/c95eb3184ea1a3a2551df57190c81da695e2144b