What is CVE-2024-21626?

CVE-2024-21626 is a high-severity vulnerability in Opencontainers Runc, classified under Exposure of File Descriptor to Unintended Control Sphere (File Descriptor Leak). CVSS score: 8.6/10. Published 2024-01-31.

How severe is CVE-2024-21626?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2024-21626 known to be exploited?

69 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Opencontainers Runc

CVE-2024-21626

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process (from runc e…

EPSS: 0.051 (90.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Opencontainers Runc — versions >=v1.0.0-rc93, < 1.1.12

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21626?: CVE-2024-21626 is a high-severity vulnerability in Opencontainers Runc, classified under Exposure of File Descriptor to Unintended Control Sphere (File Descriptor Leak). CVSS score: 8.6/10. Published 2024-01-31.
How severe is CVE-2024-21626?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-21626 known to be exploited?: 69 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.