CVE-2023-27561

HIGH

7.0

CVSS v3

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.

CWE-706

How to fix

Remediation Available

runcDebian

Fixed in:1.0.0~rc93+ds1-5+deb11u5CVE-2023-27561

Fixed in:1.1.5+ds1-1CVE-2023-27561

aardvark-dns-2:1.0.1Rocky

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.x86_64::container-tools:4.0RHSA-2023:6938

aardvark-dns-2:1.0.1Red Hat / RHEL

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:38.module+el8.9.0+19098+6e7a5e3f.s390x::container-tools:4.0RHSA-2023:6938

aardvark-dns-2:1.7.0Rocky

Fixed in:1.module+el8.9.0+19244+655f84ee.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.src::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.s390x::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.ppc64le::container-tools:rhel8RHSA-2023:6939

aardvark-dns-2:1.7.0Red Hat / RHEL

Fixed in:1.module+el8.9.0+19244+655f84ee.src::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.ppc64le::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.s390x::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19244+655f84ee.x86_64::container-tools:rhel8RHSA-2023:6939

bpftoolRed Hat / RHEL

Fixed in:0:7.0.0-284.18.1.el9_2RHSA-2023:3612

bpftoolRocky

Fixed in:0:7.0.0-284.18.1.el9_2RHSA-2023:3612

bpftool-debuginfoRed Hat / RHEL

Fixed in:0:7.0.0-284.18.1.el9_2RHSA-2023:3612

bpftool-debuginfoRocky

Fixed in:0:7.0.0-284.18.1.el9_2RHSA-2023:3612

buildahRed Hat / RHEL

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildahRocky

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-1:1.24.6Red Hat / RHEL

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.src::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

buildah-1:1.24.6Rocky

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.src::container-tools:4.0RHSA-2023:6938

buildah-1:1.31.3Rocky

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.src::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

buildah-1:1.31.3Red Hat / RHEL

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.src::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

buildah-debuginfoRocky

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-debuginfoRed Hat / RHEL

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-debuginfo-1:1.24.6Red Hat / RHEL

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

buildah-debuginfo-1:1.24.6Rocky

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

buildah-debuginfo-1:1.31.3Red Hat / RHEL

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

buildah-debuginfo-1:1.31.3Rocky

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

buildah-debugsourceRed Hat / RHEL

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-debugsourceRocky

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-debugsource-1:1.24.6Red Hat / RHEL

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

buildah-debugsource-1:1.24.6Rocky

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

buildah-debugsource-1:1.31.3Rocky

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

buildah-debugsource-1:1.31.3Red Hat / RHEL

Fixed in:1.module+el8.9.0+19761+326da906.ppc64le::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.x86_64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.aarch64::container-tools:rhel8RHSA-2023:6939

Fixed in:1.module+el8.9.0+19761+326da906.s390x::container-tools:rhel8RHSA-2023:6939

buildah-testsRocky

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-testsRed Hat / RHEL

Fixed in:1:1.29.1-2.rhaos4.13.el8RHSA-2023:3612

Fixed in:1:1.29.1-2.1.rhaos4.13.el9RHSA-2023:3612

buildah-tests-1:1.24.6Red Hat / RHEL

Fixed in:7.module+el8.9.0+19784+443be299.x86_64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.s390x::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.aarch64::container-tools:4.0RHSA-2023:6938

Fixed in:7.module+el8.9.0+19784+443be299.ppc64le::container-tools:4.0RHSA-2023:6938

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.44%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Exploit1

gist.github.com

Third-Party Advisory3

Other references6

Related Vulnerabilities

Other CWE-706 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-24813	Critical	9.8	100%	KEV	Fix
CVE-2020-15505	Critical	9.8	100%	KEV	Fix
CVE-2021-40539	Critical	9.8	99%	KEV + Ransom	Fix
CVE-2024-27292	High	7.5	69%	-	Fix
CVE-2021-40856	High	7.5	50%	-	-
CVE-2021-24122	Medium	5.9	23%	-	Fix

Common questions

How do I fix CVE-2023-27561?

Published advisories record a fix for 505 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2023-27561 being actively exploited?

Not that we know of. CVE-2023-27561 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.

How severe is CVE-2023-27561?

CVE-2023-27561 has a CVSS v3 base score of 7.0, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-27561 affect?

Published advisories record a fix for runc (Debian), aardvark-dns-2:1.0.1 (Rocky), aardvark-dns-2:1.0.1 (Red Hat / RHEL), aardvark-dns-2:1.7.0 (Rocky), and 501 more. The list on this page is capped, so there may be more.

Embed a live status badge for CVE-2023-27561

Markdown

[![CVE-2023-27561](https://tridentstack.com/cve/badge/CVE-2023-27561.svg)](https://tridentstack.com/cve/CVE-2023-27561)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-27561"><img src="https://tridentstack.com/cve/badge/CVE-2023-27561.svg" alt="CVE-2023-27561"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-12-06.