CVE-2011-4594

MEDIUM

Linux Kernel < 3.1 - NULL Pointer Dereference

Title source: rule

Description

The __sys_sendmsg function in net/socket.c in the Linux kernel before 3.1 allows local users to cause a denial of service (system crash) via crafted use of the sendmmsg system call, leading to an incorrect pointer dereference.

References (5)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc909d9ddbf7778371e36a651d6e4194b1cc7d4c

[Mailing List, Patch, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2011/12/08/4

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=761646

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/bc909d9ddbf7778371e36a651d6e4194b1cc7d4c

Scores

CVSS v3 5.5

EPSS 0.0017

EPSS Percentile 38.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status draft

Affected Products (1)

linux/linux_kernel < 3.1

Timeline

Published May 17, 2012

Tracked Since Feb 18, 2026