CVE-2009-4131

Linux kernel <2.6.32 - Local Privilege Escalation

Title source: llm

Description

The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.

Exploits (1)

exploitdb WRITEUP VERIFIED

by Akira Fujita · textlocallinux

https://www.exploit-db.com/exploits/33395

View Code ZIP pw:eip

References (14)

[Patch] http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git%3Ba=commit%3Bh=4a58579b9e4e2a35d57e6c9c8483e52f6f1b7fd6

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html

[Patch] http://lkml.org/lkml/2009/12/9/255

[Vendor Advisory] http://secunia.com/advisories/37658

[Patch] http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDVSA-2009:329

[Patch] http://www.securityfocus.com/bid/37277

[Various Sources] http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/

[Vendor Advisory] http://www.ubuntu.com/usn/USN-869-1

[Patch, Vendor Advisory] http://www.vupen.com/english/advisories/2009/3468

[Patch] https://bugzilla.redhat.com/show_bug.cgi?id=544471

[Vendor Advisory] https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00702.html

[Third Party Advisory] http://secunia.com/advisories/37686

[Third Party Advisory] http://secunia.com/advisories/38017

Scores

EPSS 0.0008

EPSS Percentile 24.3%

Classification

CWE

CWE-264

Status draft

Affected Products (50)

linux/linux_kernel < 2.6.32

linux/linux_kernel

... and 35 more

Timeline

Published Dec 13, 2009

Tracked Since Feb 18, 2026