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Ubuntu: (Multiple Advisories) (CVE-2016-6197): Linux kernel (Xenial HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2016-6197): Linux kernel (Xenial HWE) vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
08/06/2016
Created
07/25/2018
Added
08/29/2016
Modified
09/12/2020

Description

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1021-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1024-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-36-generic
  • ubuntu-upgrade-linux-image-4-4-0-36-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-36-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-36-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-36-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-36-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-36-powerpc64-smp

References

  • USN-3053-1
  • USN-3070-1
  • USN-3070-2
  • USN-3070-3
  • USN-3070-4
  • USN-3071-1
  • USN-3071-2
  • USN-3072-1
  • USN-3072-2
  • CVE-2016-6197
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