CVE-2009-2909

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-10-20 · updated 2026-06-16
Weakness: CWE-189

Description

Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.

Affected products

Linux kernel: through 2.6.31.1; 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5 (+330)

References

http://article.gmane.org/gmane.linux.kernel/896907
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=b7058842c940ad2c08dd829b21e5c92ebe3b8758
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
http://marc.info/?l=oss-security&m=125494119617994&w=2
http://secunia.com/advisories/37075
http://secunia.com/advisories/37351
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.2
http://www.securityfocus.com/bid/36635
http://www.ubuntu.com/usn/usn-864-1
https://bugzilla.redhat.com/show_bug.cgi?id=528887
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html

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