CVE-2014-2672

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-01 · updated 2026-06-17
Weakness: CWE-362

Description

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 products

Linux kernel: from 3.2 before 3.2.56; from 3.3 before 3.4.92; from 3.5 before 3.10.42; from 3.11 before 3.12.15; from 3.13 before 3.13.7 — fixed in 3.10.42, 3.12.15, 3.13.7, 3.2.56, 3.4.92

How to fix

Upgrade to a fixed version: Linux kernel 3.10.42, 3.12.15, 3.13.7, 3.2.56. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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

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