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Amazon Linux AMI: CVE-2019-15902: Security patch for kernel (ALAS-2019-1281)

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Amazon Linux AMI: CVE-2019-15902: Security patch for kernel (ALAS-2019-1281)

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:C/I:N/A:N)
Published
09/04/2019
Created
09/21/2019
Added
09/19/2019
Modified
10/14/2022

Description

A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2019-1281
  • USN-4157-1
  • USN-4157-2
  • USN-4162-1
  • USN-4162-2
  • USN-4163-1
  • USN-4163-2
  • CVE-2019-15902
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