Race condition in Linux kernel - CVE-2014-2672
Published: April 1, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41863
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-2672
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Race condition in the ath_tx_aggr_sleep function in drivers/net/wireless/ath/ath9k/xmit.c in the Linux kernel before 3.13.7 allows remote attackers to cause a denial of service (system crash) via a large amount of network traffic that triggers certain list deletions.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
How to mitigate CVE-2014-2672
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 3.2.0-63.95, 3.11.0-22.38
linux-lts-quantal (Ubuntu package) - update to 3.5.0-51.76~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-41.60~precise1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-51.76~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-41.60~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=21f8aaee0c62708654988ce092838aa7df4d25d8
- http://secunia.com/advisories/57468
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.7
- http://www.openwall.com/lists/oss-security/2014/03/30/5
- http://www.securityfocus.com/bid/66492
- https://bugzilla.kernel.org/show_bug.cgi?id=70551
- https://github.com/torvalds/linux/commit/21f8aaee0c62708654988ce092838aa7df4d25d8
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.15