CVE-2011-4081

kernel: crypto: ghash: null pointer deref if no key is set

Published May 24, 2012 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2011-4032 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.
Ubuntu USN Ubuntu USN USN-1287-1 Linux (OMAP4) vulnerability
Ubuntu USN Ubuntu USN USN-1292-1 Linux kernel (Maverick backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1293-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1299-1 Linux kernel (EC2) vulnerabilities
Ubuntu USN Ubuntu USN USN-1301-1 Linux kernel (Natty backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1302-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1303-1 Linux kernel (Marvell DOVE) vulnerabilities
Ubuntu USN Ubuntu USN USN-1304-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1311-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1312-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1313-1 Linux Kernel (Oneiric backport) vulnerability
Ubuntu USN Ubuntu USN USN-1322-1 Linux kernel vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 11:53 PM
Reserved
Oct 18, 2011, 12:00 AM
Status
Modified
Published
May 24, 2012, 11:55 PM
Modified
Jun 16, 2026, 11:34 PM
Severity
Moderate
Public date
Oct 20, 2011, 12:00 AM