Ubuntu 11.04 : linux vulnerabilities (USN-1567-1)

Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

A flaw was found in how the Linux kernel passed the replacement
session keyring to a child process. An unprivileged local user could
exploit this flaw to cause a denial of service (panic).

Ben Hutchings reported a flaw in the Linux kernel with some network
drivers that support TSO (TCP segment offload). A local or peer user
could exploit this flaw to to cause a denial of service.

Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel
implementation of RDS sockets. A local unprivileged user could
potentially use this flaw to read privileged information from the
kernel. (CVE-2012-3430)

A flaw was discovered in the madvise feature of the Linux kernel's
memory subsystem. An unprivileged local use could exploit the flaw to
cause a denial of service (crash the system). (CVE-2012-3511).

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.8
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 62111 ()

Bugtraq ID: 54365

CVE ID: CVE-2012-2745