CVE-2026-92574

Cri-o: cri-o checkpoint restore bypasses destination security context

Products / packages cri-o · Red Hat Confidential Compute Attestation · Red Hat Enterprise Linux 8 · 3 more

Published 21/09/2026, 09:49:49 UTC

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 21:40:35 UTC

redhat · CVSS:3.1 · 8.8

Assessment vector

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

Severity

high8.8

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

A vulnerability in CRI-O allows a user to bypass the destination Kubernetes security context when creating a pod from a malicious checkpointed container. The restored process may retain credentials and Linux capabilities from the checkpoint. Exploitation requires permission to create a pod from a malicious checkpoint image and checkpoint restore functionality to be available.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

Exploitation requires permission to create a pod from a malicious checkpoint image and checkpoint restore functionality to be available.

Excerpt from the original source description below.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Vendor not supplied · redhat

cri-o

3 ranges

redhat version evidence

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affected

1.34.0 → before 1.34.14

semver versions

1.35.0 → before 1.35.9

semver versions

1.36.0 → before 1.36.6

semver versions

Other versions: unaffected

Red Hat · redhat

Confidential Compute Attestation

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:confidential_compute_attestation:1

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: unaffected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

Upgrade (primary remediation): Update CRI-O to a fixed version once available: 1.36.6 (1.36.x branch), 1.35.9 (1.35.x branch), or 1.34.14 (1.34.x branch). For Red Hat OpenShift Container Platform, apply the corresponding OCP update when released.

Until the fix is applied, the following measures reduce exposure:

Disable checkpoint restore if not required: In OpenShift, container checkpoint/restore requires the ContainerCheckpoint feature gate, which is Tech Preview and not enabled by default. Clusters that have not explicitly enabled this feature gate are not exposed to this flaw. If it was enabled and is not actively needed, disable it. For standalone CRI-O, set enable_criu_support = false in crio.conf under [crio.runtime] and restart the CRI-O service.

Restrict pod creation privileges: Limit Kubernetes RBAC for the create and update verbs on pods, deployments, daemonsets, statefulsets, jobs, and cronjobs resources to trusted users and service accounts only. Exploitation requires the ability to schedule a pod referencing a malicious checkpoint image.

Enforce Pod Security Standards: Apply the restricted or baseline Pod Security Standard at the namespace level using Pod Security Admission. While this does not directly block checkpoint restore, it limits the security contexts an attacker can request, reducing the impact if combined with other controls.

Restrict container image registries: Use an image policy (e.g., OpenShift image policy, Kyverno, or OPA Gatekeeper) to allowlist trusted registries only. This prevents pods from pulling malicious checkpoint images hosted on attacker-controlled registries.

Identify and remediate previously restored containers: If checkpoint restore has been used with images from untrusted sources, stop, delete, and recreate those containers. The restored process state may not match the intended security context.

redhat guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

A vulnerability in CRI-O checkpoint restore allows a user who can create a pod from a malicious checkpointed container to bypass the destination Kubernetes security context. The restored process may retain credentials, Linux capabilities, no_new_privs, and seccomp state from the checkpoint instead of enforcing the destination configuration. This can allow execution with elevated privileges across the container security boundary. Affected upstream supported versions are CRI-O 1.34 and later. Downstream Red Hat products are affected from OCP 4.17 onward. Fixes have been applied to supported branches but are not yet released. Exploitation requires permission to create a pod from a malicious checkpoint image and checkpoint restore functionality to be available.

References

2 sources

access.redhat.com/security/cve/CVE-2026-92574

Security advisoryredhat

bugzilla.redhat.com/show_bug.cgi

Source referenceredhat

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-92574

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-250 ↗

Execution with Unnecessary Privileges

redhat

Contributing organizations · 2

redhat

Assigning organization

2026-11-05

CISA-ADP

Additional data publisher

2026-09-21

Timeline

All times UTC

21 Sept 2026, 09:49
Advisory published
Publication date supplied by the source.
5 Nov 2026, 00:09
Source updated
Latest modification date supplied by the source.
5 Nov 2026, 06:56
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes

CVE · CVE-2026-925742026-11-05

Observed 2026-11-05T06:56:56.397Z · upstream updated 2026-11-05T00:09:26.840Z

Product or version evidence changed

before

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after

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  },
  {
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 5",
    "platforms": [],
    "versions": [],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:5"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-92574"
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: 0.65% estimated probability in the next 30 days. 2026-10-29 · FIRST EPSS.

CISA-ADP · SSVC

CISA Coordinator · 2026-09-21

Exploitation: none
Automatable: no
Technical Impact: total

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record identifiers

Aliases: None recorded

Source evidence

Request a correction or dispute

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CVE CVE-2026-92574

Enrichment coverage

NVDAvailable

Checked 30/10/2026, 05:20:32 UTC

GHSAAvailable

Checked 30/10/2026, 05:20:32 UTC

EUVDAvailable

Checked 30/10/2026, 05:20:32 UTC

EPSSAvailable

Checked 30/10/2026, 05:20:31 UTC

Additional source evidence

FIRST EPSS · CVE-2026-92574

EPSS 0.65% probability of exploitation in the next 30 days. Percentile: 51.24% · 2026-10-29

Checked 30/10/2026, 05:20:31 UTC

ENISA EUVD · EUVD-2026-83881

CVSS 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Checked 30/10/2026, 05:20:32 UTC

NVD · CVE-2026-92574

CVSS 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Checked 30/10/2026, 05:20:32 UTC

GitHub Advisory Database · GHSA-mhq8-392f-7m6m

CVSS 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Checked 30/10/2026, 05:20:32 UTC

Sponsored by MoxsoBuild security habits with adaptive training and phishing simulations.View as JSON

Cri-o: cri-o checkpoint restore bypasses destination security context

Severity and exploitation

What this means

Attack conditions

Affected versions

cri-o

affected

unaffected

unknown

Confidential Compute Attestation

affected

unaffected

unknown

Red Hat Enterprise Linux 8

affected

unaffected

unknown

Red Hat Enterprise Linux 8

affected

unaffected

unknown

Red Hat Enterprise Linux 9

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 4

affected

unaffected

unknown

Red Hat OpenShift Container Platform 5

affected

unaffected

unknown

Red Hat OpenShift Container Platform 5

affected

unaffected

unknown

Red Hat OpenShift Container Platform 5

affected

unaffected

unknown

Red Hat OpenShift Container Platform 5

affected

unaffected