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Unscored USN-2978-2 2 CVEs

linux-lts-wily vulnerabilities

Published May 16, 2016 · Updated Feb 10, 2026

Summary

USN-2978-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 15.10 for Ubuntu 14.04 LTS.

David Matlack discovered that the Kernel-based Virtual Machine (KVM)
implementation in the Linux kernel did not properly restrict variable
Memory Type Range Registers (MTRR) in KVM guests. A privileged user in a
guest VM could use this to cause a denial of service (system crash) in the
host, expose sensitive information from the host, or possibly gain
administrative privileges in the host. (CVE-2016-3713)

Philip Pettersson discovered that the Linux kernel's ASN.1 DER decoder did
not properly process certificate files with tags of indefinite length. A
local unprivileged attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code with administrative
privileges. (CVE-2016-0758)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 14.04 LTS 14.04:LTS linux-lts-wily 4.2.0-36.42~14.04.1

Vulnerabilities 2

References

  • report
    https://ubuntu.com/security/CVE-2016-0758
  • report
    https://ubuntu.com/security/CVE-2016-3713