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Vulnerability record · CVE-2023-27561 · published 3 March 2023

CVE-2023-27561: Linuxfoundation runc vulnerability

Linuxfoundation · Runc

runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

7.0 CVSS 3.1 High EPSS 0.45% · top 63.6% CWE-706 · CWE-706
7.0CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
19References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/LiveOverflow/c937820b688922eb127fb760ce06dab9 ExploitThird Party Advisory
https://github.com/opencontainers/runc/issues/2197#issuecomment-1437617334 Issue TrackingThird Party Advisory
https://github.com/opencontainers/runc/issues/3751 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ANUGDBJ7NBUMSUFZUSKU3ZM
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DHGVGGMKGZSJ7YO67TGGPFE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNB2UEDIIJCRQW4WJLZOPQJ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYVE3GB4OG3BNT5DLQHYO4M
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6BF24VCZRFTYBTT3T7HDZU
https://gist.github.com/LiveOverflow/c937820b688922eb127fb760ce06dab9 ExploitThird Party Advisory
https://github.com/opencontainers/runc/issues/2197#issuecomment-1437617334 Issue TrackingThird Party Advisory
https://github.com/opencontainers/runc/issues/3751 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ANUGDBJ7NBUMSUFZUSKU3ZM
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DHGVGGMKGZSJ7YO67TGGPFE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNB2UEDIIJCRQW4WJLZOPQJ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYVE3GB4OG3BNT5DLQHYO4M
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6BF24VCZRFTYBTT3T7HDZU
https://security.netapp.com/advisory/ntap-20241206-0004/

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Source: NIST National Vulnerability Database (record CVE-2023-27561), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.