Race condition in Linux kernel - CVE-2016-2545
Published: April 27, 2016 / Updated: September 7, 2017
Vulnerability identifier: #VU91495
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-2545
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the snd_timer_interrupt() function in sound/core/timer.c. A local non-authenticated attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2016-2545
Install update from vendor's website.
Sources
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee8413b01045c74340aa13ad5bdf905de32be736
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.debian.org/security/2016/dsa-3503
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
- http://www.openwall.com/lists/oss-security/2016/01/19/1
- http://www.securityfocus.com/bid/83381
- http://www.securitytracker.com/id/1035296
- http://www.ubuntu.com/usn/USN-2929-1
- http://www.ubuntu.com/usn/USN-2929-2
- http://www.ubuntu.com/usn/USN-2930-1
- http://www.ubuntu.com/usn/USN-2930-2
- http://www.ubuntu.com/usn/USN-2930-3
- http://www.ubuntu.com/usn/USN-2931-1
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1311560
- https://github.com/torvalds/linux/commit/ee8413b01045c74340aa13ad5bdf905de32be736