CWE
119
Advisory Published

USN-3162-1: Linux kernel vulnerabilities

First published: Tue Dec 20 2016(Updated: )

CAI Qian discovered that shared bind mounts in a mount namespace exponentially added entries without restriction to the Linux kernel's mount table. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-6213) It was discovered that the KVM implementation for x86/x86_64 in the Linux kernel could dereference a null pointer. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the KVM host. (CVE-2016-8630) Eyal Itkin discovered that the IP over IEEE 1394 (FireWire) implementation in the Linux kernel contained a buffer overflow when handling fragmented packets. A remote attacker could use this to possibly execute arbitrary code with administrative privileges. (CVE-2016-8633) Marco Grassi discovered that the TCP implementation in the Linux kernel mishandles socket buffer (skb) truncation. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-8645) It was discovered that the keyring implementation in the Linux kernel improperly handled crypto registration in conjunction with successful key- type registration. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-9313) Andrey Konovalov discovered that the SCTP implementation in the Linux kernel improperly handled validation of incoming data. A remote attacker could use this to cause a denial of service (system crash). (CVE-2016-9555)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.8.0-32-generic<4.8.0-32.34
4.8.0-32.34
=16.10
All of
ubuntu/linux-image-powerpc-e500mc<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-4.8.0-32-powerpc-smp<4.8.0-32.34
4.8.0-32.34
=16.10
All of
ubuntu/linux-image-4.8.0-32-powerpc-e500mc<4.8.0-32.34
4.8.0-32.34
=16.10
All of
ubuntu/linux-image-powerpc-smp<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-generic<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-4.8.0-32-generic-lpae<4.8.0-32.34
4.8.0-32.34
=16.10
All of
ubuntu/linux-image-lowlatency<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-powerpc64-emb<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-generic-lpae<4.8.0.32.41
4.8.0.32.41
=16.10
All of
ubuntu/linux-image-4.8.0-32-powerpc64-emb<4.8.0-32.34
4.8.0-32.34
=16.10
All of
ubuntu/linux-image-4.8.0-32-lowlatency<4.8.0-32.34
4.8.0-32.34
=16.10

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-3162-1?

    The severity of USN-3162-1 is not specified in the information provided.

  • How do I fix USN-3162-1?

    To fix USN-3162-1, update the affected software to the specified version.

  • Which software versions are affected by USN-3162-1?

    The affected software versions for USN-3162-1 are 16.10 with Linux kernel versions 4.8.0-32.34 and 4.8.0.32.41.

  • What is the impact of USN-3162-1?

    USN-3162-1 can cause a denial of service (system crash) if exploited by a local attacker.

  • Where can I find more information about USN-3162-1?

    More information about USN-3162-1 can be found at the links provided: https://ubuntu.com/security/CVE-2016-9313, https://ubuntu.com/security/CVE-2016-6213, https://ubuntu.com/security/CVE-2016-8630.

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