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CVE-2010-2495

Published: 8 September 2010

The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does not properly validate certain values associated with an interface, which allows attackers to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via vectors related to a routing change.

From the Ubuntu Security Team

James Chapman discovered that L2TP did not correctly evaluate checksum capabilities. If an attacker could make malicious routing changes, they could crash the system, leading to a denial of service.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Not vulnerable

jaunty Not vulnerable

karmic
Released (2.6.31-22.67)
lucid Not vulnerable

maverick Not vulnerable
(2.6.35)
upstream
Released (2.6.34)
Patches:
upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3feec9095d12e311b7d4eb7fe7e5dfa75d4a72a5
karmic: http://chinstrap.ubuntu.com/~bradf/CVEs/CVE-2010-2495/patches/karmic/linux/0001-l2tp-Fix-oops-in-pppol2tp_xmit.txt
linux-ec2
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-307.21)
lucid
Released (2.6.32-309.18)
maverick Ignored
(end of life)
upstream Needs triage

linux-fsl-imx51
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-112.30)
lucid
Released (2.6.31-608.22)
maverick Does not exist

upstream Needs triage

linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic Does not exist

lucid
Released (2.6.35-25.44~lucid1)
maverick Does not exist

upstream Needs triage

linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Not vulnerable

hardy Does not exist

jaunty Does not exist

karmic Does not exist

lucid Does not exist

maverick Does not exist

upstream Needs triage