CVE-2009-0746

Name: CVE-2009-0746
Creator: NVD / NIST
Published: 2009-02-27T17:30:09.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.75%

Last modified Jun 16, 2026

CVE-2009-0746 is a vulnerability of currently unknown severity. The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.

Metrics

EPSS Probability

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	2.6.27
Linux	Linux Kernel	2.6.27.1
Linux	Linux Kernel	2.6.27.2
Linux	Linux Kernel	2.6.27.3
Linux	Linux Kernel	2.6.27.4
Linux	Linux Kernel	2.6.27.5
Linux	Linux Kernel	2.6.27.6
Linux	Linux Kernel	2.6.27.7
Linux	Linux Kernel	2.6.27.8
Linux	Linux Kernel	2.6.27.9
Linux	Linux Kernel	2.6.27.10
Linux	Linux Kernel	2.6.27.11
Linux	Linux Kernel	2.6.27.12
Linux	Linux Kernel	2.6.27.13
Linux	Linux Kernel	2.6.27.14
Linux	Linux Kernel	2.6.27.15
Linux	Linux Kernel	2.6.27.16
Linux	Linux Kernel	2.6.27.17
Linux	Linux Kernel	2.6.27.18
Linux	Linux Kernel	2.6.28
Linux	Linux Kernel	2.6.28.1
Linux	Linux Kernel	2.6.28.2
Linux	Linux Kernel	2.6.28.3
Linux	Linux Kernel	2.6.28.4
Linux	Linux Kernel	2.6.28.5
Linux	Linux Kernel	2.6.28.6

References

Timeline

Published: Feb 27, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0746?

How severe is CVE-2009-0746?

Severity scoring for CVE-2009-0746 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0746?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0746?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST