CVE-2011-4326

HighCVSS 7.1/10Last modified Jun 16, 2026

Description

The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.

Metrics

CVSS 2.0 7.1/10AV:N/AC:M/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-399

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://downloads.avaya.com/css/P8/documents/100156038Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
http://www.openwall.com/lists/oss-security/2011/11/21/10Mailing List
http://www.securityfocus.com/bid/50751Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=682066Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=755584Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbeddePatch, Third Party Advisory
http://downloads.avaya.com/css/P8/documents/100156038Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
http://www.openwall.com/lists/oss-security/2011/11/21/10Mailing List
http://www.securityfocus.com/bid/50751Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=682066Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=755584Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbeddePatch, Third Party Advisory

Timeline

Published: May 17, 2012
Last modified: Jun 16, 2026
NVD status: Modified

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