Description
The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
Published: 2009-12-13
Score: 7.1 High
EPSS: 3.4% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2443-1 linux-2.6 security update
EUVD EUVD EUVD-2009-4275 The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
History

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Subscriptions

Linux Linux Kernel
Redhat Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T07:01:19.746Z

Reserved: 2009-12-12T00:00:00.000Z

Link: CVE-2009-4307

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-12-13T01:30:00.437

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-4307

cve-icon Redhat

Severity : Low

Publid Date: 2009-11-23T00:00:00Z

Links: CVE-2009-4307 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses