Improper Preservation of Permissions Affecting crit package, versions <0:3.15-3.module+el8.8.0+21045+adcb6a64


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE8-CRIT-5798129
  • published21 Jul 2023
  • disclosed29 Mar 2023

Introduced: 29 Mar 2023

CVE-2023-25809  (opens in a new tab)
CWE-281  (opens in a new tab)

How to fix?

Upgrade Oracle:8 crit to version 0:3.15-3.module+el8.8.0+21045+adcb6a64 or higher.
This issue was patched in ELSA-2023-12579.

NVD Description

Note: Versions mentioned in the description apply only to the upstream crit package and not the crit package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

runc is a CLI tool for spawning and running containers according to the OCI specification. In affected versions it was found that rootless runc makes /sys/fs/cgroup writable in following conditons: 1. when runc is executed inside the user namespace, and the config.json does not specify the cgroup namespace to be unshared (e.g.., (docker|podman|nerdctl) run --cgroupns=host, with Rootless Docker/Podman/nerdctl) or 2. when runc is executed outside the user namespace, and /sys is mounted with rbind, ro (e.g., runc spec --rootless; this condition is very rare). A container may gain the write access to user-owned cgroup hierarchy /sys/fs/cgroup/user.slice/... on the host . Other users's cgroup hierarchies are not affected. Users are advised to upgrade to version 1.1.5. Users unable to upgrade may unshare the cgroup namespace ((docker|podman|nerdctl) run --cgroupns=private). This is the default behavior of Docker/Podman/nerdctl on cgroup v2 hosts. or add /sys/fs/cgroup to maskedPaths.

CVSS Scores

version 3.1