Vulnerability-Lookup

RHBA-2025:21221

Vulnerability from csaf_redhat - Published: 2025-11-19 05:02 - Updated: 2026-08-07 18:04

Summary

Red Hat Bug Fix Advisory: OpenShift Container Platform 4.17.44 packages update

Severity

Important

Notes

Topic: Red Hat OpenShift Container Platform release 4.17.44 is now available with updates to packages and images that fix several bugs.

Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.17.44. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2025:21225 All OpenShift Container Platform 4.17 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/updating_clusters/index#updating-cluster-cli.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2025-31133

A flaw was found in runc. This flaw exploits an issue with how masked paths are implementedin runc. When masking files, runc will bind-mount the container's /dev/null inode on top of the file. However, if an attacker can replace /dev/null with a symlink to some other procfs file, runc will instead bind-mount the symlink target read-write.

8.2 (High)


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

CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Affected products

Fixed 26 products

Product	Version	Remediation
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.src	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.src	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2025-52565

A flaw was found in runc. CVE-2025-52565 is very similar in concept and application toCVE-2025-31133, except that it exploits a flaw in /dev/console bind-mounts. When creating the /dev/console bind-mount (to /dev/pts/$n), if an attacker replaces /dev/pts/$n with a symlink then runc will bind-mount the symlink target over /dev/console.

8.2 (High)


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

CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Affected products

Fixed 26 products

Product	Version	Remediation
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.src	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el8.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.src	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debuginfo-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-RHOSE-4.17:runc-debugsource-4:1.2.5-2.rhaos4.17.el9.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

13 references

URL	Category
https://access.redhat.com/errata/RHBA-2025:21221	self
https://issues.redhat.com/browse/OCPBUGS-64860	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2025-31133	self
https://bugzilla.redhat.com/show_bug.cgi?id=2404705	external
https://www.cve.org/CVERecord?id=CVE-2025-31133	external
https://nvd.nist.gov/vuln/detail/CVE-2025-31133	external
https://github.com/opencontainers/runc/security/a…	external
https://access.redhat.com/security/cve/CVE-2025-52565	self
https://bugzilla.redhat.com/show_bug.cgi?id=2404708	external
https://www.cve.org/CVERecord?id=CVE-2025-52565	external
https://nvd.nist.gov/vuln/detail/CVE-2025-52565	external
https://github.com/opencontainers/runc/security/a…	external

JSON

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      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "discovery_date": "2025-10-17T14:17:18.235000+00:00",
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          "text": "2404705"
        }
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        {
          "category": "description",
          "text": "A flaw was found in runc. This flaw exploits an issue with how masked paths are implementedin runc. When masking files, runc will bind-mount the container\u0027s /dev/null inode on top of the file. However, if an attacker can replace /dev/null with a symlink to some other procfs file, runc will instead bind-mount the symlink target read-write.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "runc: container escape via \u0027masked path\u0027 abuse due to mount race conditions",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat considers this as an Important flaw since the impact is limited to local attack with minimal privileges in order to jeopardize the environment.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
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        {
          "category": "external",
          "summary": "https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2",
          "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2"
        }
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      "release_date": "2025-11-05T00:00:00+00:00",
      "remediations": [
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          "date": "2025-11-19T05:02:33+00:00",
          "details": "See the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/release_notes/\n\nDetails on how to access this content are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/updating_clusters/index#updating-cluster-cli.",
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
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          "details": "Important"
        }
      ],
      "title": "runc: container escape via \u0027masked path\u0027 abuse due to mount race conditions"
    },
    {
      "cve": "CVE-2025-52565",
      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "discovery_date": "2025-10-17T14:19:18.653000+00:00",
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        {
          "category": "description",
          "text": "A flaw was found in runc. CVE-2025-52565 is very similar in concept and application toCVE-2025-31133, except that it exploits a flaw in /dev/console\nbind-mounts. When creating the /dev/console bind-mount (to /dev/pts/$n), if an attacker replaces /dev/pts/$n with a symlink then runc will bind-mount the symlink target over /dev/console.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "runc: container escape with malicious config due to /dev/console mount and related races",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat considers this as an Important flaw since the impact is limited to local attack with minimal privileges in order to jeopardize the environment.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-52565",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-52565"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-52565",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-52565"
        },
        {
          "category": "external",
          "summary": "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r",
          "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r"
        }
      ],
      "release_date": "2025-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-11-19T05:02:33+00:00",
          "details": "See the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/release_notes/\n\nDetails on how to access this content are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/updating_clusters/index#updating-cluster-cli.",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHBA-2025:21221"
        },
        {
          "category": "workaround",
          "details": "Potential mitigations for this issue include:\n\n* Using user namespaces, with the host root user not mapped into the container\u0027s namespace. procfs file permissions are managed using Unix DAC and thus user namespaces stop a container process from being able to write to them.\n* Not running as a root user in the container (this includes disabling setuid binaries with noNewPrivileges). As above, procfs file permissions are managed using Unix DAC and thus non-root users cannot write to them.\n* The default SELinux policy should mitigate this issue, as the /dev/console bind-mount does not re-label the mount and so the container process should not be able to write to unsafe procfs files. However, CVE-2025-52881 allows an attacker to bypass LSM labels, and so this mitigation is not helpful when considered in combination with CVE-2025-52881.\n* The default AppArmor profile used by most runtimes will NOT help mitigate this issue, as /dev/console access is permitted. You could create a custom profile that blocks access to /dev/console, but such a profile might break regular containers. In addition, CVE-2025-52881 allows an attacker to bypass LSM labels, and so that mitigation is not helpful when considered in combination with CVE-2025-52881.",
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          ]
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "runc: container escape with malicious config due to /dev/console mount and related races"
    }
  ]
}

CVE-2025-31133 (GCVE-0-2025-31133)

Vulnerability from cvelistv5 – Published: 2025-11-06 18:47 – Updated: 2025-11-06 19:22

Title

runc container escape via "masked path" abuse due to mount race conditions

Summary

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7 and below, 1.3.0-rc.1 through 1.3.1, 1.4.0-rc.1 and 1.4.0-rc.2 files, runc would not perform sufficient verification that the source of the bind-mount (i.e., the container's /dev/null) was actually a real /dev/null inode when using the container's /dev/null to mask. This exposes two methods of attack: an arbitrary mount gadget, leading to host information disclosure, host denial of service, container escape, or a bypassing of maskedPaths. This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.

Severity

7.3 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-06 19:03 UTC

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following
CWE-363 - Race Condition Enabling Link Following

Assigner

GitHub_M

References

5 references

URL	Tags
https://github.com/opencontainers/runc/security/a…	x_refsource_CONFIRM
https://github.com/opencontainers/runc/commit/1a3…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/5d7…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/847…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/db1…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
opencontainers	runc	Affected: < 1.2.8 Affected: >= 1.3.0-rc.1, < 1.3.3 Affected: >= 1.4.0-rc.1, <= 1.4.0-rc.3

Show details on NVD website

JSON

To clipboard

{
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      {
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            "other": {
              "content": {
                "id": "CVE-2025-31133",
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                    "Automatable": "no"
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                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2025-11-06T19:03:45.356326Z",
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      "title": "runc container escape via \"masked path\" abuse due to mount race conditions"
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CVE-2025-52565 (GCVE-0-2025-52565)

Vulnerability from cvelistv5 – Published: 2025-11-06 20:02 – Updated: 2025-11-06 21:32

Title

container escape due to /dev/console mount and related races

Summary

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting `/dev/pts/$n` to `/dev/console` inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of `/dev/pts/$n` to `/dev/console` as configured for all containers that allocate a console). This happens after `pivot_root(2)`, so this cannot be used to write to host files directly -- however, as with CVE-2025-31133, this can load to denial of service of the host or a container breakout by providing the attacker with a writable copy of `/proc/sysrq-trigger` or `/proc/sys/kernel/core_pattern` (respectively). This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.

Severity

8.4 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-06 21:32 UTC

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following
CWE-363 - Race Condition Enabling Link Following

Assigner

GitHub_M

References

9 references

URL	Tags
https://github.com/opencontainers/runc/security/a…	x_refsource_CONFIRM
https://github.com/opencontainers/runc/commit/01d…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/398…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/531…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/9be…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/aee…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/db1…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/de8…	x_refsource_MISC
https://github.com/opencontainers/runc/commit/ff9…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
opencontainers	runc	Affected: >= 1.0.0-rc3, < 1.2.8 Affected: >= 1.3.0-rc.1, < 1.3.3 Affected: >= 1.4.0-rc.1, < 1.4.0-rc.3

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-52565",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-06T21:32:07.457681Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-06T21:32:19.129Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "runc",
          "vendor": "opencontainers",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.0.0-rc3, \u003c 1.2.8"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.3.0-rc.1, \u003c 1.3.3"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.4.0-rc.1, \u003c 1.4.0-rc.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting `/dev/pts/$n` to `/dev/console` inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of `/dev/pts/$n` to `/dev/console` as configured for all containers that allocate a console). This happens after `pivot_root(2)`, so this cannot be used to write to host files directly -- however, as with CVE-2025-31133, this can load to denial of service of the host or a container breakout by providing the attacker with a writable copy of `/proc/sysrq-trigger` or `/proc/sys/kernel/core_pattern` (respectively). This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-61",
              "description": "CWE-61: UNIX Symbolic Link (Symlink) Following",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-363",
              "description": "CWE-363: Race Condition Enabling Link Following",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-06T20:02:58.513Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/01de9d65dc72f67b256ef03f9bfb795a2bf143b4",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/01de9d65dc72f67b256ef03f9bfb795a2bf143b4"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/398955bccb7f20565c224a3064d331c19e422398",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/398955bccb7f20565c224a3064d331c19e422398"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/531ef794e4ecd628006a865ad334a048ee2b4b2e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/531ef794e4ecd628006a865ad334a048ee2b4b2e"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/9be1dbf4ac67d9840a043ebd2df5c68f36705d1d",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/9be1dbf4ac67d9840a043ebd2df5c68f36705d1d"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/aee7d3fe355dd02939d44155e308ea0052e0d53a",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/aee7d3fe355dd02939d44155e308ea0052e0d53a"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/db19bbed5348847da433faa9d69e9f90192bfa64",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/db19bbed5348847da433faa9d69e9f90192bfa64"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/de87203e625cd7a27141fb5f2ad00a320c69c5e8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/de87203e625cd7a27141fb5f2ad00a320c69c5e8"
        },
        {
          "name": "https://github.com/opencontainers/runc/commit/ff94f9991bd32076c871ef0ad8bc1b763458e480",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencontainers/runc/commit/ff94f9991bd32076c871ef0ad8bc1b763458e480"
        }
      ],
      "source": {
        "advisory": "GHSA-qw9x-cqr3-wc7r",
        "discovery": "UNKNOWN"
      },
      "title": "container escape due to /dev/console mount and related races"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-52565",
    "datePublished": "2025-11-06T20:02:58.513Z",
    "dateReserved": "2025-06-18T03:55:52.036Z",
    "dateUpdated": "2025-11-06T21:32:19.129Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

RHBA-2025:21221

CVE-2025-31133 (GCVE-0-2025-31133)

CVE-2025-52565 (GCVE-0-2025-52565)

Tags

Sightings

Nomenclature