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CVE-2011-2723

The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4...

5.7 MediumFix available

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.

Exploit likelihood

1.11%Down 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.7

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.

Record
CVE-2011-2723
CVSS 2.0
5.7 MediumAV:A/AC:M/Au:N/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-2723
Updated
2026-11-02
EUVDEUVD-2011-2701 No score

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.

Record
EUVD-2011-2701
Updated
2026-11-03
GitHub AdvisoriesGHSA-gj23-gxgc-vvhj No score

The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4...

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.

Record
GHSA-gj23-gxgc-vvhj
Weakness
CWE-20
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6
Debian:6.0
 before 2.6.32-35squeeze1, plus listed versions
2.6.32-302.6.32-30+m68k.52.6.32-312.6.32-31~bpo50+12.6.32-32
Show 5 moreShow less
2.6.32-332.6.32-342.6.32-34squeeze12.6.32-352.6.32-35~bpo50+1
2.6.32-35squeeze1
kernel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
Show 74 moreShow less
Affected packages
PackageAffectedFixed
kernel-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-headers
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-238.27.1.el5
0:2.6.18-238.27.1.el5
kernel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-bootwrapper
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debug
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debuginfo-common-i686
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debuginfo-common-ppc64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debuginfo-common-s390x
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-doc
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-headers
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-kdump
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-kdump-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel-kdump-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
perf
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
perf-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.17.1.el6
0:2.6.32-131.17.1.el6
kernel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-doc
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-rt
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debuginfo-common-x86_64
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-doc
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-firmware
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2723 is a medium vulnerability (CVSS 5.7) in Linux Kernel, published September 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 65th percentile. Fixed in linux-2.6 2.6.32-35squeeze1.

References

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