PT-2011-1067 · Suse+2 · Ext4Dev-Kmp-Trace+3

Petr Matousek · Published 2011-08-31 · Updated 2023-02-13 · CVE-2011-4326

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.39 ext4dev-kmp-trace (affected versions not specified)

Description The issue allows remote attackers to cause a denial of service, potentially leading to a system crash. This can be achieved by sending fragmented IPv6 UDP packets to a bridge device when a certain UDP Fragmentation Offload configuration is enabled. Multiple vulnerabilities in the ext4dev-kmp-trace package of the SUSE Linux Enterprise operating system can also lead to disruption of protected information availability, with exploitation possible remotely.

Recommendations For Linux kernel versions prior to 2.6.39, update to version 2.6.39 or later to resolve the issue. For ext4dev-kmp-trace, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-399

CWE-476

Related Identifiers

BDU:2015-04359

CVE-2011-4326

RHSA-2011:1465

RHSA-2011_1465

RHSA-2012:0010

USN-1193-1

USN-1256-1

USN-1286-1

USN-1292-1

USN-1293-1

USN-1294-1

USN-1299-1

USN-1302-1

USN-1303-1

USN-1304-1

USN-1311-1

Affected Products

Linux Kernel

Red Hat

Suse

Ext4Dev-Kmp-Trace

References · 29

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=682066 · Exploit
• https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde · Patch
• https://ubuntu.com/security/notices/USN-1299-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-04359 · Security Note
• https://ubuntu.com/security/notices/USN-1303-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4326 · Security Note
• https://ubuntu.com/security/notices/USN-1286-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2011-4326 · Security Note
• https://ubuntu.com/security/notices/USN-1294-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1302-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1304-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1256-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-4326 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1293-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2011-4326 · Vendor Advisory