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Ubuntu Security Notice USN-1452-1
Posted May 25, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1452-1 - A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. Steve Grubb reported a flaw with Linux fscaps (file system base capabilities) when used to increase the permissions of a process. For application on which fscaps are in use a local attacker can disable address space randomization to make attacking the process with raised privileges easier. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-1601, CVE-2012-2123, CVE-2012-1601, CVE-2012-2123
SHA-256 | 1743e5e0d5cc2c51eea82b08fd5a2379a2483478b76cb54de2e7c2aec5d7e59f

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