Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1421-1
Solution
Please Install the Updated Packages.
Insight
Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service.
(CVE-2011-4347)
Stephan BÃ
¤
rwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. (CVE-2012-0045)
H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system.
(CVE-2012-1097)
A flaw was discovered in the Linux kernel's cgroups subset. A local attacker could use this flaw to crash the system. (CVE-2012-1146)
Affected
linux-lts-backport-maverick on Ubuntu 10.04 LTS
Severity
Classification
-
CVE CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146 -
CVSS Base Score: 10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
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