CWE
362
Advisory Published

USN-2462-1: Linux kernel vulnerabilities

First published: Tue Jan 13 2015(Updated: )

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment (SS) register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. (CVE-2014-9322) Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. (CVE-2014-3611) Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers. A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. (CVE-2014-3610)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.32-71-powerpc-smp<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-versatile<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-server<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-powerpc64-smp<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-lpia<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-386<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-generic-pae<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-sparc64-smp<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-preempt<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-sparc64<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-ia64<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-virtual<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-generic<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-71-powerpc<2.6.32-71.138
2.6.32-71.138
Ubuntu 22.04 LTS=10.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-2462-1?

    The severity of USN-2462-1 is critical as it allows a local attacker to gain administrative privileges through exploitation.

  • How do I fix USN-2462-1?

    To fix USN-2462-1, update your Linux kernel to version 2.6.32-71.138 or newer.

  • Which systems are affected by USN-2462-1?

    Systems running Ubuntu 10.04 with specific Linux kernel packages such as linux-image-2.6.32-71 are affected by USN-2462-1.

  • What is the potential impact of USN-2462-1?

    The potential impact of USN-2462-1 includes unauthorized access and control over the affected system due to administrative privilege escalation.

  • Who discovered the vulnerability in USN-2462-1?

    The vulnerability in USN-2462-1 was discovered by Andy Lutomirski.

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