CVE-2011-2723

MEDIUM

Description

The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=17dd759c67f21e34f2156abcf415e1f60605a188

http://marc.info/?l=bugtraq&m=139447903326211&w=2

http://openwall.com/lists/oss-security/2011/07/28/13

http://openwall.com/lists/oss-security/2011/07/29/1

http://securitytracker.com/id?1025876

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4

http://www.redhat.com/support/errata/RHSA-2011-1321.html

http://www.securityfocus.com/bid/48929

https://bugzilla.redhat.com/show_bug.cgi?id=726552

Details

Source: MITRE

Published: 2011-09-06

Updated: 2020-07-31

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5.7

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

Impact Score: 6.9

Exploitability Score: 5.5

Severity: MEDIUM