CVE-2011-2723

high

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

Advisories
More

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

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

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

http://securitytracker.com/id?1025876

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

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

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

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188

Details

Source: Mitre, NVD

Published: 2011-09-06

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 5.7

Vector: CVSS2#AV:A/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00842