Upstream information

CVE-2011-2723 at MITRE


The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before, 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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5.7
Vector AV:A/AC:M/Au:N/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Note from the SUSE Security Team

This issue only affects kernels that have the generic checksum offload infrastructure, including kernels after 2.6.29. Earlier kernels ando SUSE Linux Enterprise releases up to and including SUSE Linux Enterprise 10 are not affected.

SUSE Bugzilla entry: 709164 [RESOLVED / FIXED]

SUSE Security Advisories: