CVE-2009-0746

Linux kernel <2.6.27.19-2.6.28.7 - DoS

Title source: llm

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.

Exploits (1)

exploitdb WRITEUP VERIFIED

by Sami Liedes · textdoslinux

https://www.exploit-db.com/exploits/32775

View Code ZIP pw:eip

References (18)

[Issue Tracking] http://bugzilla.kernel.org/show_bug.cgi?id=12430

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f

[Various Sources] http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19

[Various Sources] http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7

[Third Party Advisory, VDB Entry] http://osvdb.org/52202

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2009-1243.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/507985/100/0/threaded

[Vendor Advisory] http://www.ubuntu.com/usn/usn-751-1

[Vendor Advisory] http://www.vupen.com/english/advisories/2009/0509

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/48872

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039

[Vendor Advisory] http://www.vmware.com/security/advisories/VMSA-2009-0016.html

[Third Party Advisory] http://www.debian.org/security/2009/dsa-1749

[Third Party Advisory] http://secunia.com/advisories/34394

[Third Party Advisory] http://secunia.com/advisories/36562

[Third Party Advisory] http://secunia.com/advisories/37471

[Third Party Advisory] http://www.vupen.com/english/advisories/2009/3316

Scores

EPSS 0.0025

EPSS Percentile 47.8%

Classification

CWE

CWE-20

Status draft

Affected Products (26)

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

... and 11 more

Timeline

Published Feb 27, 2009

Tracked Since Feb 18, 2026