CVE-2011-4326

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.

Score

CVSS 2.0 7.1 High

Status

Modified - secalert@redhat.com

Published

2012-05-17

Last modified

2024-08-07

Weaknesses

CWE-399

Affected products

• 96x1 Ip Deskphone Firmware (Avaya)
• Linux Kernel (Linux)

References

• http://downloads.avaya.com/css/P8/documents/100156038
• 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=a9cf73ea7ff78f52662c8658d93c226effbbedde
• http://www.openwall.com/lists/oss-security/2011/11/21/10
• http://www.securityfocus.com/bid/50751
• https://bugzilla.redhat.com/show_bug.cgi?id=682066
• https://bugzilla.redhat.com/show_bug.cgi?id=755584
• https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde