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Ubuntu Security Notice USN-1421-1

Posted Apr 12, 2012

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1421-1 - 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. Stephan 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local

systems | linux, ubuntu

advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146, CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146

SHA-256 | 8f5ffc23204a00c78465f73eb061c75c15675500d33d72427c6adbb209274eef

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