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Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
Jon Howell reported a flaw in the Linux kernel's KVM (Kernel-based
virtual machine) subsystem's handling of the XSAVE CPU feature. On
hosts without the XSAVE CPU feature, using qemu userspace, an
unprivileged local attacker could exploit this flaw to crash the
A flaw was discovered in the Linux kernel's handling of script
execution when module loading is enabled. A local attacker could
exploit this flaw to cause a leak of kernel stack contents.
Florian Weimer discovered that hypervkvpd, which is distributed in the
Linux kernel, was not correctly validating source addresses of netlink
packets. An untrusted local user can cause a denial of service by
causing hypervkvpd to exit. (CVE-2012-5532).
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.
Update the affected linux-image-3.5-generic and / or
Risk factor :
Medium / CVSS Base Score : 4.9
CVSS Temporal Score : 4.3
Public Exploit Available : false
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 63615 ()
Bugtraq ID: 56414
CVE ID: CVE-2012-4461CVE-2012-4530CVE-2012-5532
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