CVE-2022-29162 (GCVE-0-2022-29162)

Vulnerability from cvelistv5 – Published: 2022-05-17 00:00 – Updated: 2025-04-23 18:25
VLAI
Title
Incorrect Default Permissions in runc
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 14:07 UTC
CWE
  • CWE-276 - Incorrect Default Permissions
Impacted products
Vendor Product Version
opencontainers runc Affected: < 1.1.2
Create a notification for this product.
Show details on NVD website

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