CVE-2011-4326

HIGH

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.

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;a=commit;h=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

Details

Source: MITRE

Published: 2012-05-17

Updated: 2015-05-06

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 7.1

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 8.6

Severity: HIGH