PT-2011-5001 · Linux+2 · Linux Kernel+2

Mathieu Desnoyers + 1 · Published 2011-12-15 · Updated 2023-02-13 · CVE-2011-4594

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.1

Description The issue allows local users to cause a denial of service, resulting in a system crash, via crafted use of the sendmmsg system call. This is due to an incorrect pointer dereference in the sys sendmsg function in net/socket.c.

Recommendations For Linux kernel versions prior to 3.1, update to version 3.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of the sendmmsg system call to minimize the risk of exploitation.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CESA-2012_0350

CVE-2011-4594

RHSA-2012:0350

RHSA-2012_0350

USN-1260-1

USN-1275-1

Affected Products

Centos

Linux Kernel

Red Hat

References · 12

• https://github.com/torvalds/linux/commit/bc909d9ddbf7778371e36a651d6e4194b1cc7d4c · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=761646 · Patch
• https://linux.oracle.com/errata/ELSA-2012-0350.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4594 · Security Note
• https://ubuntu.com/security/notices/USN-1275-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1260-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-4594 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2011-4594 · Security Note
• http://kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2011-4594 · Vendor Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc909d9ddbf7778371e36a651d6e4194b1cc7d4c · Note
• http://openwall.com/lists/oss-security/2011/12/08/4 · Note