CVE-2011-4081

MEDIUM

Linux kernel <3.1 - DoS

Title source: llm

Description

crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.

References (5)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c

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

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2011/10/27/2

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=749475

[Exploit, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74c

Scores

CVSS v3 5.5

EPSS 0.0006

EPSS Percentile 18.1%

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 24, 2012

Tracked Since Feb 18, 2026