Ubuntu 13.04 : linux vulnerabilities (USN-1938-1)
Medium Nessus Plugin ID 69798
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionVasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows specified to be run as root. A local could exploit this flaw to run commands as root when using the perf tool. user could exploit this (CVE-2013-1060)
A flaw was discovered in the Xen subsystem of the Linux kernel when it provides read-only access to a disk that supports TRIM or SCSI UNMAP to a guest OS. A privileged user in the guest OS could exploit this flaw to destroy data on the disk, even though the guest OS should not be able to write to the disk. (CVE-2013-2140)
A flaw was discovered in the Linux kernel when an IPv6 socket is used to connect to an IPv4 destination. An unprivileged local user could exploit this flaw to cause a denial of service (system crash).
An information leak was discovered in the IPSec key_socket implementation in the Linux kernel. An local user could exploit this flaw to examine potentially sensitive information in kernel memory.
Hannes Frederic Sowa discovered a flaw in setsockopt UDP_CORK option in the Linux kernel's IPv6 stack. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4162)
Hannes Frederic Sowa discovered a flaw in the IPv6 subsystem of the Linux kernel when the IPV6_MTU setsockopt option has been specified in combination with the UDP_CORK option. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4163).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected linux-image-3.8-generic package.