CVE-2009-4020

Published: Dec 4, 2009Modified: Apr 23, 2026

7.8

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability: 10.0 / Impact: 6.9

Source: NVD

Description

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.

Affected (1)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Version 2.6.32

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (30)

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html

Source: secalert@redhat.com

http://marc.info/?l=linux-mm-commits&m=125987755823047&w=2

Source: secalert@redhat.com

http://secunia.com/advisories/38276

Source: secalert@redhat.com

http://secunia.com/advisories/39742

Source: secalert@redhat.com

http://support.avaya.com/css/P8/documents/100073666

Source: secalert@redhat.com

http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patch

Source: secalert@redhat.com

Patch

http://www.debian.org/security/2010/dsa-2005

Source: secalert@redhat.com

http://www.novell.com/linux/security/advisories/2010_23_kernel.html

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2009/12/04/1

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=540736

Source: secalert@redhat.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091

Source: secalert@redhat.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750

Source: secalert@redhat.com

https://rhn.redhat.com/errata/RHSA-2010-0046.html

Source: secalert@redhat.com

https://rhn.redhat.com/errata/RHSA-2010-0095.html

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html