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CVE-2025-52881

runc: LSM labels can be bypassed with malicious config using dummy procfs files

Published: Nov 6, 2025Updated: Dec 3, 2025 Sources: CVE List NVD GHSA BDUCWE-61
7.5HIGH
NVD MITRE
EPSS Score
0.5%
Top 58.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

runc container escape and denial of service due to arbitrary write gadgets and procfs write redirects

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:RS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-61CWE-363

Affected Products

Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Red Hat OpenShift Container PlatformOn-prem
Operating Systems / linux-distro
Red Hat Ansible Automation PlatformOn-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
runcLibrary
OSS Libraries / generic-library
selinuxSecurity Product
Security Products / vuln-mgmt-scanner
Go
package-ecosystem
github.com/opencontainers/runc
OSS Libraries
github.com/opencontainers/selinux
OSS Libraries
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Платформа контейнеризации «Боцман»On-prem
Operating Systems / linux-distro
linuxfoundation
oss-project·USaka yocto, pytorch, everest
runcLibraryLibrary
AI / ML
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
and 5 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
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References

https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r
github.com
https://github.com/opencontainers/runc/security/advisories/GHSA-fh74-hm69-rqjw
github.com
https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm
github.com
and 41 more references View all →

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