CVE-2009-3280

Severity: high (CVSS 7.8 v2.0)
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: none known
Published: 2009-09-21 · updated 2026-06-16
Weakness: CWE-119

Description

Integer signedness error in the find_ie function in net/wireless/scan.c in the cfg80211 subsystem in the Linux kernel before 2.6.31.1-rc1 allows remote attackers to cause a denial of service (soft lockup) via malformed packets.

Affected products

Linux kernel: through 2.6.31

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fcc6cb0c13555e78c2d47257b6d1b5e59b0c419a
http://patchwork.kernel.org/patch/45106/
http://www.kernel.org/pub/linux/kernel/v2.6/stable-review/patch-2.6.31.1-rc1.bz2
http://www.openwall.com/lists/oss-security/2009/09/16/2
http://www.securityfocus.com/bid/36421
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fcc6cb0c13555e78c2d47257b6d1b5e59b0c419a
http://patchwork.kernel.org/patch/45106/
http://www.kernel.org/pub/linux/kernel/v2.6/stable-review/patch-2.6.31.1-rc1.bz2
http://www.openwall.com/lists/oss-security/2009/09/16/2
http://www.securityfocus.com/bid/36421

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