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CVE-2009-3547

Published: 4 November 2009

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
linux-source-2.6.15
Launchpad, Ubuntu, Debian
upstream
Released (2.6.32~rc6)
dapper
Released (2.6.15-55.81)
hardy Does not exist

intrepid Does not exist

jaunty Does not exist

karmic Does not exist

linux
Launchpad, Ubuntu, Debian
upstream
Released (2.6.32~rc6)
dapper Does not exist

hardy
Released (2.6.24-26.64)
intrepid
Released (2.6.27-16.44)
jaunty
Released (2.6.28-17.58)
karmic
Released (2.6.31-16.52)
Patches:
upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ad3960243e55320d74195fb85c975e0a8cc4466c

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H