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Amazon Linux AMI: CVE-2019-19768: Security patch for kernel (ALAS-2020-1377)

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Amazon Linux AMI: CVE-2019-19768: Security patch for kernel (ALAS-2020-1377)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
12/12/2019
Created
06/05/2020
Added
06/04/2020
Modified
10/14/2022

Description

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2020-1377
  • USN-4342-1
  • USN-4344-1
  • USN-4345-1
  • USN-4346-1
  • CVE-2019-19768

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