CVE-2009-4020

Publication date 4 December 2009

Last updated 24 July 2024

Ubuntu priority

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
linux	9.10 karmic	Fixed 2.6.31-19.56
	9.04 jaunty	Fixed 2.6.28-18.59
	8.10 intrepid	Fixed 2.6.27-17.45
	8.04 LTS hardy	Fixed 2.6.24-27.65
	6.06 LTS dapper	Not in release
linux-source-2.6.15	9.10 karmic	Not in release
	9.04 jaunty	Not in release
	8.10 intrepid	Not in release
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Fixed 2.6.15-55.82

CVE-2009-4020

From the Ubuntu Security Team

Status

References

Related Ubuntu Security Notices (USN)

Other references