CVE-2011-2723

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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