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CVE-2024-21626 — runc Container Escape (Leaky Vessels)

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HIGH severity

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Overview

A file descriptor leak in runc allows a malicious container to break out of the container namespace and gain full root access on the host system.

Vulnerability details

CVE ID: CVE-2024-21626
Vulnerability: runc Container Escape (Leaky Vessels)
Vendor: cpe
Affected products: cpe:2.3:a:opencontainers:runc:*:*:*:*:*:*:*:*
Severity: HIGH
Exploitation status: No confirmed in-the-wild exploitation
CVSS: 8.6
Published: 2024-01-31

Remediation guidance

Prioritize remediation of CVE-2024-21626 based on exposure and asset criticality.

Apply the vendor's official security update for cpe the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

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