USN-1577-1 : linux-ti-omap4 vulnerabilities

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


Synopsis :

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

Description :

A flaw was discovered in the Linux kernel's KVM (kernel virtual
machine). An administrative user in the guest OS could leverage this
flaw to cause a denial of service in the host OS. (CVE-2012-2121)

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.
(CVE-2012-3412)

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)

See also :

http://www.ubuntu.com/usn/usn-1577-1/

Solution :

Update the affected package(s).

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 62238 ()

Bugtraq ID:

CVE ID: CVE-2012-2121
CVE-2012-3412
CVE-2012-3430
CVE-2012-3511