CVE-2009-0676

Linux Kernel < 2.6.28.6 - Information Disclosure via SO_BSDCOMPAT getsockopt Request

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-0676. PoCs published by Clément Lecigne.

AI-analyzed exploit summary This exploit demonstrates an information disclosure vulnerability in the Linux Kernel by leveraging improperly initialized memory in the SO_BSDCOMPAT getsockopt operation. It reads uninitialized kernel memory and prints it, potentially exposing sensitive data.

Description

The sock_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel memory via an SO_BSDCOMPAT getsockopt request.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Clément Lecigne · clocallinux

https://www.exploit-db.com/exploits/32805

View Code ZIP pw:eip

This exploit demonstrates an information disclosure vulnerability in the Linux Kernel by leveraging improperly initialized memory in the SO_BSDCOMPAT getsockopt operation. It reads uninitialized kernel memory and prints it, potentially exposing sensitive data.

Classification

Working Poc 90%

Attack Type

Info Leak

Complexity

Trivial

Reliability

Reliable

Target: Linux Kernel versions prior to 2.6.28.8

No auth needed

Prerequisites: Access to a vulnerable Linux Kernel system

MITRE ATT&CK

T1003 - OS Credential Dumping

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (38)

Core 38

Core References

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/35390

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

https://exchange.xforce.ibmcloud.com/vulnerabilities/48847

Mailing List mailing-list x_refsource_mlist

http://openwall.com/lists/oss-security/2009/02/20/1

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34502

Vendor Advisory vendor-advisory x_refsource_redhat

http://www.redhat.com/support/errata/RHSA-2009-0326.html

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34786

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34962

Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8618

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/37471

Vendor Advisory vendor-advisory x_refsource_redhat

http://www.redhat.com/support/errata/RHSA-2009-0360.html

Vendor Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2009-0459.html

Mailing List mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2009/03/02/6

Vendor Advisory x_refsource_confirm

http://www.vmware.com/security/advisories/VMSA-2009-0016.html

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2009/dsa-1749

Various Sources x_refsource_confirm

http://patchwork.kernel.org/patch/6816/

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2009/dsa-1794

Mailing List mailing-list x_refsource_mlist

http://marc.info/?l=linux-kernel&m=123540732700371&w=2

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/33758

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html

Vendor Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/usn-751-1

Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11653

Patch vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/33846

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/35011

Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq

http://www.securityfocus.com/archive/1/507985/100/0/threaded

Mailing List mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2009/02/24/1

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html

Various Sources mailing-list x_refsource_mlist

http://lkml.org/lkml/2009/2/12/123

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34981

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34394

Patch x_refsource_confirm

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=df0bca049d01c0ee94afb7cd5dfd959541e6c8da

Issue Tracking x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=486305

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2009/dsa-1787

Vendor Advisory vendor-advisory x_refsource_mandriva

http://www.mandriva.com/security/advisories?name=MDVSA-2009:071

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34680

Third Party Advisory vdb-entry x_refsource_vupen

http://www.vupen.com/english/advisories/2009/3316

Vendor Advisory x_refsource_confirm

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.6

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/35394

Scores

EPSS 0.0070

EPSS Percentile 48.2%

Details

CWE

CWE-264

Status published

Products (50)

linux/linux_kernel 2.6

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

... and 40 more

Published Feb 22, 2009

Tracked Since Feb 18, 2026