CVE-2009-4131

Linux kernel <2.6.32 - Local Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-4131. PoCs published by Akira Fujita.

AI-analyzed exploit summary The provided text is a vulnerability description for CVE-2009-4131, a local privilege escalation flaw in the Linux kernel due to insufficient access permission verification. It lacks actual exploit code but references a binary exploit available in ExploitDB.

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

The provided text is a vulnerability description for CVE-2009-4131, a local privilege escalation flaw in the Linux kernel due to insufficient access permission verification. It lacks actual exploit code but references a binary exploit available in ExploitDB.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: Linux kernel (versions affected by CVE-2009-4131)
Auth required
Prerequisites: Local access to the target system · Kernel version vulnerable to CVE-2009-4131
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (14)

Core 14
Core References
Patch mailing-list x_refsource_mlist
http://lkml.org/lkml/2009/12/9/255
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-869-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37686
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37658
Patch, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/3468
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/38017
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/37277

Scores

EPSS 0.0008
EPSS Percentile 24.3%

Details

CWE
CWE-264
Status published
Products (50)
linux/linux_kernel 2.6.0
linux/linux_kernel 2.6.1
linux/linux_kernel 2.6.2
linux/linux_kernel 2.6.3
linux/linux_kernel 2.6.4
linux/linux_kernel 2.6.5
linux/linux_kernel 2.6.6
linux/linux_kernel 2.6.7
linux/linux_kernel 2.6.8
linux/linux_kernel 2.6.8.1
... and 40 more
Published Dec 13, 2009
Tracked Since Feb 18, 2026