CVE-2009-4308

kernel: ext4: Avoid null pointer dereference when decoding EROFS w/o a journal

Published Dec 13, 2009 CVSS 2.0 · 7.1 High EPSS 3.5% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2009-4276 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.
Ubuntu USN Ubuntu USN USN-894-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 7:01 AM
Reserved
Dec 12, 2009, 12:00 AM
Status
Modified
Published
Dec 13, 2009, 1:30 AM
Modified
Jun 16, 2026, 11:13 PM
Severity
Moderate
Public date
Jul 27, 2009, 12:00 AM