Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
Andy Adamson discovered a flaw in the Linux kernel's NFSv4
implementation. A remote NFS server (attacker) could exploit this flaw
to cause a denial of service. (CVE-2011-4131)
A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine)
virtual cpu setup. An unprivileged local user could exploit this flaw
to crash the system leading to a denial of service. (CVE-2012-1601)
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)
Steve Grubb reported a flaw with Linux fscaps (file system base
capabilities) when used to increase the permissions of a process. For
application on which fscaps are in use a local attacker can disable
address space randomization to make attacking the process with raised
privileges easier. (CVE-2012-2123)
Schacher Raindel discovered a flaw in the Linux kernel's memory
handling when hugetlb is enabled. An unprivileged local attacker could
exploit this flaw to cause a denial of service and potentially gain
higher privileges. (CVE-2012-2133).
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 59321 ()
CVE ID: CVE-2011-4131CVE-2012-1601CVE-2012-2121CVE-2012-2123CVE-2012-2133
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