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Amazon Linux AMI: CVE-2019-16884: Security patch for runc (ALAS-2021-1556)

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Amazon Linux AMI: CVE-2019-16884: Security patch for runc (ALAS-2021-1556)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
09/25/2019
Created
01/17/2022
Added
01/12/2022
Modified
10/14/2022

Description

runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.

Solution(s)

  • amazon-linux-upgrade-runc

References

  • ALAS-2021-1556
  • USN-4297-1
  • CVE-2019-16884

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