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Amazon Linux AMI: CVE-2021-30465: Security patch for runc (ALAS-2021-1499)

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Amazon Linux AMI: CVE-2021-30465: Security patch for runc (ALAS-2021-1499)

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Published
05/14/2021
Created
05/22/2021
Added
05/20/2021
Modified
10/14/2022

Description

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

Solution(s)

  • amazon-linux-upgrade-runc

References

  • ALAS-2021-1499
  • CVE-2021-30465
  • USN-4960-1

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