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7.1
CVSSv2

CVE-2009-4308

Published: 13/12/2009 Updated: 07/11/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel prior to 2.6.32 allows user-assisted remote malicious users to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.

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Vendor Advisories

Red Hat: Important: kernel security and bug fix update
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 ...
Ubuntu Security Notice: linux, linux-source-2.6.15 vulnerabilities
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) ...
Debian Security Advisories: DSA-2005-1 linux-2.6.24 -- privilege escalation/denial of service/sensitive memory leak
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 ...

References

CWE-399http://secunia.com/advisories/37658http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32http://secunia.com/advisories/38017http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.htmlhttp://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlhttp://secunia.com/advisories/38276http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.htmlhttp://www.debian.org/security/2010/dsa-2005http://www.redhat.com/support/errata/RHSA-2010-0147.htmlhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:198http://www.vmware.com/security/advisories/VMSA-2011-0003.htmlhttp://secunia.com/advisories/43315https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11103http://www.securityfocus.com/archive/1/516397/100/0/threadedhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=78f1ddbb498283c2445c11b0dfa666424c301803https://access.redhat.com/errata/RHSA-2010:0147https://usn.ubuntu.com/894-1/https://nvd.nist.gov
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