USN-1422-1: Linux kernel vulnerabilities
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 Bärwolf 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 Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-1422-1?
USN-1422-1 has a critical severity rating due to the potential for a local user to crash the system and cause a denial of service.
How do I fix USN-1422-1?
To fix USN-1422-1, update your system to the appropriate version, specifically the linux-image packages at or above version 2.6.38-14.58.
Which Ubuntu versions are affected by USN-1422-1?
USN-1422-1 affects Ubuntu version 11.04 with specific kernel packages including linux-image-2.6.38-14-generic.
What is the impact of USN-1422-1?
The impact of USN-1422-1 allows a local user to exploit a permission flaw that can lead to system crashes.
Is there a workaround for USN-1422-1?
There are no known workarounds for USN-1422-1; the recommended action is to apply the official updates.