CVE-2024-21626
Estado: ModificadaAlta (8.6)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 19%
- Percentil entre todas las CVEs puntuadas: 97
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-403, CWE-668
- CWE-668
- CWE-200
Referencias
- http://packetstormsecurity.com/files/176993/runc-1.1.11-File-Descriptor-Leak-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2024/02/01/1
- http://www.openwall.com/lists/oss-security/2024/02/02/3
- https://github.com/opencontainers/runc/commit/02120488a4c0fc487d1ed2867e901eeed7ce8ecf
- https://github.com/opencontainers/runc/releases/tag/v1.1.12
- https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv
- https://lists.debian.org/debian-lts-announce/2024/02/msg00005.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2NLXNE23Q5ESQUAI22Z7A63JX2WMPJ2J/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYMO3BANINS6RGFQFKPRG4FIOJ7GWYTL/
- http://packetstormsecurity.com/files/176993/runc-1.1.11-File-Descriptor-Leak-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2024/02/01/1
- http://www.openwall.com/lists/oss-security/2024/02/02/3
- https://github.com/opencontainers/runc/commit/02120488a4c0fc487d1ed2867e901eeed7ce8ecf
- https://github.com/opencontainers/runc/releases/tag/v1.1.12
- https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv
- https://lists.debian.org/debian-lts-announce/2024/02/msg00005.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2NLXNE23Q5ESQUAI22Z7A63JX2WMPJ2J/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYMO3BANINS6RGFQFKPRG4FIOJ7GWYTL/
- https://www.vicarius.io/vsociety/posts/leaky-vessels-part-1-cve-2024-21626
- https://access.redhat.com/errata/RHSA-2024:0645
- https://access.redhat.com/errata/RHSA-2024:0662
- https://access.redhat.com/errata/RHSA-2024:0666
- https://access.redhat.com/errata/RHSA-2024:0670
- https://access.redhat.com/errata/RHSA-2024:0684
- https://access.redhat.com/errata/RHSA-2024:0717
- https://access.redhat.com/errata/RHSA-2024:0748
- https://access.redhat.com/errata/RHSA-2024:0752
- https://access.redhat.com/errata/RHSA-2024:0755
- https://access.redhat.com/errata/RHSA-2024:0756
- https://access.redhat.com/errata/RHSA-2024:0757
- https://access.redhat.com/errata/RHSA-2024:0758
- https://access.redhat.com/errata/RHSA-2024:0759
- https://access.redhat.com/errata/RHSA-2024:0760
- https://access.redhat.com/errata/RHSA-2024:0764
- https://access.redhat.com/errata/RHSA-2024:10149
- https://access.redhat.com/errata/RHSA-2024:10520
- https://access.redhat.com/errata/RHSA-2024:10525
- https://access.redhat.com/errata/RHSA-2024:10841
- https://access.redhat.com/errata/RHSA-2024:1270
- https://access.redhat.com/errata/RHSA-2024:4597
- https://access.redhat.com/errata/RHSA-2025:0115
- https://access.redhat.com/errata/RHSA-2025:0650
- https://access.redhat.com/errata/RHSA-2025:1711
- https://access.redhat.com/errata/RHSA-2025:2441
- https://access.redhat.com/errata/RHSA-2025:2701
- https://access.redhat.com/errata/RHSA-2025:2710
- https://access.redhat.com/security/cve/CVE-2024-21626
- https://bugzilla.redhat.com/show_bug.cgi?id=2258725
- https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-21626.json
JSON original (NVD)
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