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CVE-2011-2942

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux...

6.8 MediumFix available

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Exploit likelihood

1.79%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Record
CVE-2011-2942
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Record
CVE-2011-2942
Updated
2026-11-02
EUVDEUVD-2011-2910 No score

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Record
EUVD-2011-2910
Updated
2026-11-03
GitHub AdvisoriesGHSA-cgjv-rvfj-3vrq No score

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux...

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Record
GHSA-cgjv-rvfj-3vrq
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
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
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Affected packages
PackageAffectedFixed
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

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-2011-2942 is a medium vulnerability (CVSS 6.8) in Linux Kernel, published June 8, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.79%, the 78th percentile. Fixed in kernel 0:2.6.18-274.7.1.el5.

References

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