CVE-2022-29162
Incorrect Default Permissions in runc
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 66% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
- affected < 1.1.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/opencontainers/runcGHSA-f3fp-gc8g-vw66 (opens in a new tab)
References (7)
- https://github.com/opencontainers/runc/security/advisories/GHSA-f3fp-gc8g-vw66 (opens in a new tab)x_transferred
- https://github.com/opencontainers/runc/commit/d04de3a9b72d7a2455c1885fc75eb36d02cd17b5 (opens in a new tab)x_transferred
- https://github.com/opencontainers/runc/releases/tag/v1.1.2 (opens in a new tab)x_transferred
- FEDORA-2022-91b747a0d7 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-e980dc71b1 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-d1f55f8fd0 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20230327 [SECURITY] [DLA 3369-1] runc security update (opens in a new tab)mailing-listx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f3fp-gc8g-vw66 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-29162)Record last updated .