CVE-2011-3359

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-05-24 · updated 2026-06-16
Weakness: CWE-119

Description

The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly allocate receive buffers, which allows remote attackers to cause a denial of service (system crash) via a crafted frame.

Affected products

Linux kernel: before 2.6.39 — fixed in 2.6.39

How to fix

Upgrade to a fixed version: Linux kernel 2.6.39. Check the vendor advisory for mitigations.

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c85ce65ecac078ab1a1835c87c4a6319cf74660a
http://www.openwall.com/lists/oss-security/2011/09/14/2
https://bugzilla.redhat.com/show_bug.cgi?id=738202
https://github.com/torvalds/linux/commit/c85ce65ecac078ab1a1835c87c4a6319cf74660a
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c85ce65ecac078ab1a1835c87c4a6319cf74660a
http://www.openwall.com/lists/oss-security/2011/09/14/2
https://bugzilla.redhat.com/show_bug.cgi?id=738202
https://github.com/torvalds/linux/commit/c85ce65ecac078ab1a1835c87c4a6319cf74660a

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