First published: Thu Apr 12 2012(Updated: )
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 | Affected Version | How to fix |
---|---|---|
All of | ||
ubuntu/linux-image-2.6.38-14-generic | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-powerpc-smp | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-virtual | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-omap | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-server | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-generic-pae | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-powerpc | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-powerpc64-smp | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 | |
All of | ||
ubuntu/linux-image-2.6.38-14-versatile | <2.6.38-14.58 | 2.6.38-14.58 |
Ubuntu 22.04 LTS | =11.04 |
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(Contains the following vulnerabilities)
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.
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.
USN-1422-1 affects Ubuntu version 11.04 with specific kernel packages including linux-image-2.6.38-14-generic.
The impact of USN-1422-1 allows a local user to exploit a permission flaw that can lead to system crashes.
There are no known workarounds for USN-1422-1; the recommended action is to apply the official updates.