CVE Watch17 sept 2026

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 in

CVSS

8.6

Alto

EPSS

18.9%

p97

KEV

—

Exploit Today

0-100

Publicado: 31 ene 2024 · Última mod.: 17 sept 2026 · CWE-403 · CWE-668 · CWE-200

EPSS · 30d

18.1%EPSS · 30 días18.9%

2026-09-252026-10-23

Descripción técnica

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 exec) to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem ("attack 2"). The same attack could be used by a malicious image to allow a container process to gain access to the host filesystem through runc run ("attack 1"). Variants of attacks 1 and 2 could be also be used to overwrite semi-arbitrary host binaries, allowing for complete container escapes ("attack 3a" and "attack 3b"). runc 1.1.12 includes patches for this issue.

Referencias oficiales

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