Amazon Linux 2023 Security Advisory: ALAS-2024-531
Advisory Release Date: 2024-02-15 02:52 Pacific
Advisory Updated Date: 2024-02-19 20:26 Pacific
runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. A bug was found in runc prior to version 1.1.2 where `runc exec --cap` created processes with non-empty inheritable Linux process capabilities, creating an atypical Linux environment and enabling programs with inheritable file capabilities to elevate those capabilities to the permitted set during execve(2). This bug did not affect the container security sandbox as the inheritable set never contained more capabilities than were included in the container's bounding set. This bug has been fixed in runc 1.1.2. This fix changes `runc exec --cap` behavior such that the additional capabilities granted to the process being executed (as specified via `--cap` arguments) do not include inheritable capabilities. In addition, `runc spec` is changed to not set any inheritable capabilities in the created example OCI spec (`config.json`) file. (CVE-2022-29162)
Affected Packages:
runc
Issue Correction:
Run dnf update runc --releasever 2023.3.20240219 to update your system.
aarch64:
runc-debuginfo-1.1.3-1.amzn2023.0.2.aarch64
runc-1.1.3-1.amzn2023.0.2.aarch64
runc-debugsource-1.1.3-1.amzn2023.0.2.aarch64
src:
runc-1.1.3-1.amzn2023.0.2.src
x86_64:
runc-debuginfo-1.1.3-1.amzn2023.0.2.x86_64
runc-1.1.3-1.amzn2023.0.2.x86_64
runc-debugsource-1.1.3-1.amzn2023.0.2.x86_64