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

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2009-12-13T01:00:00

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

Reserved: 2009-12-12T00:00:00

Link: CVE-2009-4307

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2023-11-07T02:04:48.200

Link: CVE-2009-4307

cve-icon Redhat

Severity : Low

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

Links: CVE-2009-4307 - Bugzilla