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CVE-2009-4020

Published: 4 December 2009

Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.

From the Ubuntu Security Team

Amerigo Wang discovered that HFS filesystem did not correctly validate disk structures. If a user were tricked into mounting a specially crafted HFS filesystem, a remote attacker could crash the system or gain root privileges.

Priority

Medium

Status

Package Release Status
linux-source-2.6.15
Launchpad, Ubuntu, Debian
upstream
Released (2.6.33~rc1)
dapper
Released (2.6.15-55.82)
hardy Does not exist

intrepid Does not exist

jaunty Does not exist

karmic Does not exist

linux
Launchpad, Ubuntu, Debian
upstream
Released (2.6.33~rc1)
dapper Does not exist

hardy
Released (2.6.24-27.65)
intrepid
Released (2.6.27-17.45)
jaunty
Released (2.6.28-18.59)
karmic
Released (2.6.31-19.56)