Home / vulnerabilities Ubuntu Security Notice USN-1594-1
Posted on 04 October 2012
Source : packetstormsecurity.org Link
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Ubuntu Security Notice USN-1594-1
October 03, 2012
linux-lts-backport-oneiric vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description:
- linux-lts-backport-oneiric: Linux kernel backport from Oneiric
Details:
Vadim Ponomarev discovered a flaw in the Linux kernel causing a reference
leak when PID namespaces are used. A remote attacker could exploit this
flaw causing a denial of service. (CVE-2012-2127)
A flaw was found in how the Linux kernel's KVM (Kernel-based Virtual
Machine) subsystem handled MSI (Message Signaled Interrupts). A local
unprivileged user could exploit this flaw to cause a denial of service or
potentially elevate privileges. (CVE-2012-2137)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
linux-image-3.0.0-26-generic 3.0.0-26.43~lucid1
linux-image-3.0.0-26-generic-pae 3.0.0-26.43~lucid1
linux-image-3.0.0-26-server 3.0.0-26.43~lucid1
linux-image-3.0.0-26-virtual 3.0.0-26.43~lucid1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1594-1
CVE-2012-2127, CVE-2012-2137
Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-backport-oneiric/3.0.0-26.43~lucid1
