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Ubuntu: USN-4161-1 (CVE-2019-18198): Linux kernel vulnerability

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Ubuntu: USN-4161-1 (CVE-2019-18198): Linux kernel vulnerability

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
10/18/2019
Created
10/23/2019
Added
10/22/2019
Modified
03/22/2023

Description

In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.

Solution(s)

  • ubuntu-upgrade-linux-image-5-3-0-1004-aws
  • ubuntu-upgrade-linux-image-5-3-0-1004-azure
  • ubuntu-upgrade-linux-image-5-3-0-1004-kvm
  • ubuntu-upgrade-linux-image-5-3-0-1005-gcp
  • ubuntu-upgrade-linux-image-5-3-0-1008-raspi2
  • ubuntu-upgrade-linux-image-5-3-0-19-generic
  • ubuntu-upgrade-linux-image-5-3-0-19-generic-lpae
  • ubuntu-upgrade-linux-image-5-3-0-19-lowlatency
  • ubuntu-upgrade-linux-image-5-3-0-19-snapdragon
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-virtual

References

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