Amazon Linux 2 Security Advisory: ALASDOCKER-2021-008
Advisory Release Date: 2021-10-19 20:33 Pacific
Advisory Updated Date: 2021-11-18 21:34 Pacific
Severity:
Important
Issue Overview:
The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity as well as to system availability. (CVE-2021-30465)
Affected Packages:
runc
Note:
This advisory is applicable to Amazon Linux 2 - Docker Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update runc to update your system.
New Packages:
aarch64:
runc-1.0.0-0.3.20210225.git12644e6.amzn2.aarch64
runc-debuginfo-1.0.0-0.3.20210225.git12644e6.amzn2.aarch64
src:
runc-1.0.0-0.3.20210225.git12644e6.amzn2.src
x86_64:
runc-1.0.0-0.3.20210225.git12644e6.amzn2.x86_64
runc-debuginfo-1.0.0-0.3.20210225.git12644e6.amzn2.x86_64