CVE-2011-4081

MEDIUM

Linux Kernel < 3.1 - Denial of Service via ghash Function Calls

Title source: llm
STIX 2.1

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)

Core 5
Core References
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/10/27/2
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=749475
Mailing List, Patch, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Exploit, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74c

Scores

CVSS v3 5.5
EPSS 0.0046
EPSS Percentile 36.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
linux/linux_kernel < 3.1
Published May 24, 2012
Tracked Since Feb 18, 2026