container-cve-2021-22555

Reproducer for CVE-2021-22555 as a container First, this rolls in the exploit code from here as a handy pre-built container: https://github.com/google/security-research/tree/master/pocs/linux/cve-2021-22555 Pre-built container: quay.io/cgwalters/cve-2021-22555 Mitigation: seccomp profiles A stron...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.70 packages and security update

Red Hat OpenShift Container Platform release 4.16.70 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a...

github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 — /etc/passwd Injection via HOME env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

RHCOS 4 : OpenShift Container Platform 4.19.45 (RHSA-2026:60452)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:60452 advisory. - github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 /etc/passwd Injection via HOME env CVE-2026-15809 -...

AZL-99129 CVE-2026-78662 affecting package cri-o 1.30.1-1

Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such a time,...

AZL-99135 CVE-2026-56855 affecting package cri-o 1.30.1-1

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 — /etc/passwd Injection via HOME env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.45 packages and security update

Red Hat OpenShift Container Platform release 4.19.45 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 — /etc/passwd Injection via HOME env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.31 packages and security update

Red Hat OpenShift Container Platform release 4.21.31 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 — /etc/passwd Injection via HOME env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.36 packages and security update

Red Hat OpenShift Container Platform release 4.20.36 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

RHCOS 4 : OpenShift Container Platform 4.20.36 (RHSA-2026:60444)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:60444 advisory. - github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 /etc/passwd Injection via HOME env CVE-2026-15809 -...

RHCOS 4 : OpenShift Container Platform 4.21.31 (RHSA-2026:60449)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:60449 advisory. - github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 /etc/passwd Injection via HOME env CVE-2026-15809 -...

PT-2026-84120

В свежем релизе cri-o исправили две уязвимости, одна из которых имеет критический уровень и может привести к побегу из контейнера. CVE-2026-62146 позволяет пользователю с правом создавать Pods отравить сохранённое состояние sandbox через произвольные annotations, а после рестарта CRI-O или...

AZL-98256 CVE-2026-37236 affecting package cri-o 1.30.1-1

grpc-gateway v2.28.0 is vulnerable to Incorrect Access Control. The application processes the X-HTTP-Method-Override header in ServeMux.ServeHTTP without restricting allowed methods. When a POST request with Content-Type application/x-www-form-urlencoded includes this header, the request method i...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.11 packages and security update

Red Hat OpenShift Container Platform release 4.22.11 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 — /etc/passwd Injection via HOME env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

RHCOS 4 : OpenShift Container Platform 4.22.11 (RHSA-2026:57361)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:57361 advisory. - github.com/cri-o/cri-o: Fix Bypass for CVE-2022-4318 /etc/passwd Injection via HOME env CVE-2026-15809 - golang: Go os.Root:...

CVE-2026-17113

A flaw was found in CRI-O's container-creation environment-variable handling mergeEnvs in server/utils.go, consumed by setupContainerEnvironmentAndWorkdir in server/containercreate.go. When a CreateContainer request supplies a nil CRI Envs field, CRI-O falls back to using the target OCI image's...