Advisory Published

USN-1878-1: Linux kernel vulnerabilities

First published: Fri Jun 14 2013(Updated: )

An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. (CVE-2013-0160) A flaw was discovered in the Linux kernel's perf events subsystem for Intel Sandy Bridge and Ivy Bridge processors. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-2146) An information leak was discovered in the Linux kernel's crypto API. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3076) An information leak was discovered in the Linux kernel's rcvmsg path for ATM (Asynchronous Transfer Mode). A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3222) An information leak was discovered in the Linux kernel's recvmsg path for ax25 address family. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3223) An information leak was discovered in the Linux kernel's recvmsg path for the bluetooth address family. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3224) An information leak was discovered in the Linux kernel's bluetooth rfcomm protocol support. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3225) An information leak was discovered in the Linux kernel's CAIF protocol implementation. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3227) An information leak was discovered in the Linux kernel's IRDA (infrared) support subsystem. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3228) An information leak was discovered in the Linux kernel's s390 - z/VM support. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3229) An information leak was discovered in the Linux kernel's llc (Logical Link Layer 2) support. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3231) An information leak was discovered in the Linux kernel's receive message handling for the netrom address family. A local user could exploit this flaw to obtain sensitive information from the kernel's stack memory. (CVE-2013-3232) An information leak was discovered in the Linux kernel's Rose X.25 protocol layer. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3234) An information leak was discovered in the Linux kernel's TIPC (Transparent Inter Process Communication) protocol implementation. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. (CVE-2013-3235)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.2.0-48-highbank<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-powerpc-smp<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-powerpc64-smp<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-virtual<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-generic-pae<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-omap<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-48-generic<3.2.0-48.74
3.2.0-48.74
Ubuntu 22.04 LTS=12.04

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Frequently Asked Questions

  • What is the severity of USN-1878-1?

    The severity of USN-1878-1 is characterized as a medium risk due to the potential for information leakage.

  • How do I fix USN-1878-1?

    To fix USN-1878-1, you should upgrade to the latest kernel version available for Ubuntu 12.04 that exceeds version 3.2.0-48.74.

  • What systems are affected by USN-1878-1?

    USN-1878-1 affects Ubuntu 12.04 systems running specific versions of the Linux kernel.

  • What information could be leaked due to USN-1878-1?

    USN-1878-1 could allow a local user to leak sensitive information such as keystroke timing and password length.

  • Is USN-1878-1 a remote vulnerability?

    No, USN-1878-1 is a local vulnerability that requires an authenticated user to exploit.

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