CVE-2011-2723
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…
Does this matter?
Lower severity and a low EPSS score (1.11%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.7 MEDIUMAV:A/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.11% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- 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=2Third Party Advisory
- http://openwall.com/lists/oss-security/2011/07/28/13Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/07/29/1Mailing List, Patch, Third Party Advisory
- http://securitytracker.com/id?1025876Third Party Advisory, VDB Entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4Broken Link
- http://www.redhat.com/support/errata/RHSA-2011-1321.htmlThird Party Advisory
- http://www.securityfocus.com/bid/48929Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=726552Issue Tracking, Patch, Third Party Advisory
- 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=2Third Party Advisory
- http://openwall.com/lists/oss-security/2011/07/28/13Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/07/29/1Mailing List, Patch, Third Party Advisory
- http://securitytracker.com/id?1025876Third Party Advisory, VDB Entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4Broken Link
- http://www.redhat.com/support/errata/RHSA-2011-1321.htmlThird Party Advisory
- http://www.securityfocus.com/bid/48929Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=726552Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.