Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1453-1
Solution
Please Install the Updated Packages.
Insight
A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. (CVE-2011-4086)
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. (CVE-2012-1601)
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. (CVE-2012-2123)
Affected
linux-ec2 on Ubuntu 10.04 LTS
References
Updated on 2015-03-25
Severity
Classification
-
CVE CVE-2011-4086, CVE-2012-1601, CVE-2012-2123 -
CVSS Base Score: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C
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