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Amazon Linux AMI: CVE-2018-17972: Security patch for kernel (ALAS-2018-1100)

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Amazon Linux AMI: CVE-2018-17972: Security patch for kernel (ALAS-2018-1100)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:C/I:N/A:N)
Published
10/03/2018
Created
03/19/2019
Added
11/08/2018
Modified
10/14/2022

Description

An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2018-1100
  • USN-3821-1
  • USN-3821-2
  • USN-3832-1
  • USN-3835-1
  • USN-3871-1
  • USN-3871-2
  • USN-3871-3
  • USN-3871-4
  • USN-3871-5
  • USN-3880-1
  • USN-3880-2
  • CVE-2018-17972
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