7.8
CVSSv2

CVE-2009-4020

Published: 04/12/2009 Updated: 13/02/2023
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

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

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linux linux kernel 2.6.32

Vendor Advisories

Amerigo Wang and Eric Sesterhenn discovered that the HFS and ext4 filesystems did not correctly check certain disk structures If a user were tricked into mounting a specially crafted filesystem, a remote attacker could crash the system or gain root privileges (CVE-2009-4020, CVE-2009-4308) ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 5This update has been rated as having important security impact by the RedHat Secu ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix two security issues and one bug are nowavailable for Red Hat Enterprise Linux 56 Extended Update SupportThe Red Hat Security Response Team has rated this update as havin ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 5The Red Hat Security Response Team has rated this update as havingimportant secur ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and three bugsare now available for Red Hat Enterprise Linux 4This update has been rated as having important security impact by the RedHat Securi ...
NOTE: This kernel update marks the final planned kernel security update for the 2618 kernel in the Debian release 'etch' Although security support for 'etch' officially ended on Feburary 15th, 2010, this update was already in preparation before that date A final update that includes fixes for these issues in the 2624 kernel is also in prepara ...
NOTE: This kernel update marks the final planned kernel security update for the 2624 kernel in the Debian release 'etch' Although security support for 'etch' officially ended on Feburary 15th, 2010, this update was already in preparation before that date Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial ...