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CVE-2009-4308

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Date: December 12, 2009

The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers 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.

Language: C

Severity Score

Related Resources (19)

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
http://secunia.com/advisories/37658
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11103
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
http://www.redhat.com/support/errata/RHSA-2010-0147.html
http://secunia.com/advisories/38276
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://secunia.com/advisories/38017
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-4308
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
https://nvd.nist.gov/vuln/detail/CVE-2009-4308
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=78f1ddbb498283c2445c11b0dfa666424c301803
https://access.redhat.com/security/cve/CVE-2009-4308
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32
http://secunia.com/advisories/43315
http://www.debian.org/security/2010/dsa-2005
https://www.mend.io/vulnerability-database/CVE-2009-4308

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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