VULNERABILITY

Ubuntu: USN-3392-1: Linux kernel regression

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Ubuntu: USN-3392-1: Linux kernel regression

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
08/16/2017
Created
07/25/2018
Added
08/16/2017
Modified
02/19/2025

Description

USN-3378-1 fixed vulnerabilities in the Linux kernel. Unfortunately, a regression was introduced that prevented conntrack from working correctly in some situations. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2017-7533)

It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code. (CVE-2017-1000365)

李强 discovered that the Virtio GPU driver in the Linux kernel did not properly free memory in some situations. A local attacker could use this to cause a denial of service (memory consumption). (CVE-2017-10810)

石磊 discovered that the RxRPC Kerberos 5 ticket handling code in the Linux kernel did not properly verify metadata. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7482)

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1027-gke
  • ubuntu-upgrade-linux-image-4-4-0-1031-aws
  • ubuntu-upgrade-linux-image-4-4-0-1070-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1072-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-92-generic
  • ubuntu-upgrade-linux-image-4-4-0-92-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-92-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-92-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-92-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-92-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-92-powerpc64-smp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon

References

  • USN-3378-1
  • USN-3392-1

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