CVE-2011-2942

2011-10-2100:00:00

ubuntu.com

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.005 Low

EPSS

Percentile

75.7%

JSON

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.

Bugs

<https://launchpad.net/bugs/880887>

Notes

Author	Note
apw	Redhat claims the fix below fixes the issue: bridge: fix use after free in __br_deliver this looks to be fixed upstream by: bridge: Fix netpoll support only a very small part of this delivering the actual fix. This was introduced in the patch below: netpoll: add generic support for bridge and bonding devices For maverick netpoll is re-disabled for bridge by the commit below: bridge: Partially disable netpoll support

Author

Note

apw

Redhat claims the fix below fixes the issue: bridge: fix use after free in __br_deliver this looks to be fixed upstream by: bridge: Fix netpoll support only a very small part of this delivering the actual fix. This was introduced in the patch below: netpoll: add generic support for bridge and bonding devices For maverick netpoll is re-disabled for bridge by the commit below: bridge: Partially disable netpoll support

OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchlinux-lts-backport-natty< 2.6.38-1.27~lucid1UNKNOWN
ubuntu10.04noarchlinux-lts-backport-oneiric< 3.0.0-5.6~lucid1UNKNOWN