CVE-2026-52923

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...

PT-2026-51716

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the checkpoint/restore sysctl path where the ipc idr alloc function forwards requests to idr alloc with an open-ended upper bound. When the valid SysV IPC id space is...

Linux Distros Unpatched Vulnerability : CVE-2026-52923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization during the CRI checkpoint restore. An attacker can gain unauthorized access to resources by injecting arbitrary Container Device Interface CDI annotations into checkpoint image metadata, which are then trusted an...

GHSA-33VJ-92QQ-66HC containerd CRI checkpoint restore CDI annotation smuggling

Impact containerd's CRI implementation improperly trusts Container Device Interface CDI annotations found within untrusted checkpoint image metadata during container restoration. When restoring a container from a checkpoint, containerd preserves CDI-related annotations from the checkpoint archive...

UNIX Symbolic Link (Symlink) Following

Overview Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following in the CRI checkpoint restore plugin due to improper validation of symlinked paths. An attacker can access arbitrary files on the host by crafting a malicious checkpoint image and leveraging the...

Arbitrary host CRI log file read via symlink following in CRI checkpoint restore

Impact A bug was found in containerd where the CRI plugin restores container.log from a checkpoint image without validating a symlinked path. This could result in reading an arbitrary file on the host via kubectl logs. Patches This bug has been fixed in the following containerd versions: 2.3.2...

GHSA-RGH6-RFWX-V388 Arbitrary host CRI log file read via symlink following in CRI checkpoint restore

Impact A bug was found in containerd where the CRI plugin restores container.log from a checkpoint image without validating a symlinked path. This could result in reading an arbitrary file on the host via kubectl logs. Patches This bug has been fixed in the following containerd versions: 2.3.2...

PT-2026-50900

Name of the Vulnerable Software and Affected Versions containerd versions prior to 2.3.2 containerd versions prior to 2.2.5 containerd versions prior to 2.1.9 containerd versions prior to 2.0.10 containerd versions prior to 1.7.33 Description The CRI checkpoint import process fails to validate...

github.com/containerd/containerd: containerd: Arbitrary host file read via symlink following in CRI checkpoint restore

A flaw was found in containerd, an open-source container runtime. The Container Runtime Interface CRI plugin incorrectly restores container logs from a checkpoint image. This vulnerability, categorized as a Path Traversal CWE-61, allows an attacker to read arbitrary files on the host system by...

RHCOS 4 : OpenShift Container Platform 4.15.44 (RHSA-2025:0648)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:0648 advisory. - cri-o: Checkpoint restore can be triggered from different namespaces CVE-2024-8676 Note that Nessus has not tested for this issue but has...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002973)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002973 advisory. The timercreate syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent-sigevnotify field, whic...

Ubuntu: Security Advisory (USN-7900-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux Distros Unpatched Vulnerability : CVE-2017-18344

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The timercreate syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent-sigevnotify field,...

cri-o: Checkpoint restore can be triggered from different namespaces

A vulnerability was found in CRI-O, where it can be requested to take a checkpoint archive of a container and later be asked to restore it. When it does that restoration, it attempts to restore the mounts from the restore archive instead of the pod request. As a result, the validations run on the...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.2 packages and security update

Red Hat OpenShift Container Platform release 4.18.2 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 4.18. Red Hat Product Security has rated this update as having a...

cri-o: Checkpoint restore can be triggered from different namespaces

A vulnerability was found in CRI-O, where it can be requested to take a checkpoint archive of a container and later be asked to restore it. When it does that restoration, it attempts to restore the mounts from the restore archive instead of the pod request. As a result, the validations run on the...

cri-o: Checkpoint restore can be triggered from different namespaces

A vulnerability was found in CRI-O, where it can be requested to take a checkpoint archive of a container and later be asked to restore it. When it does that restoration, it attempts to restore the mounts from the restore archive instead of the pod request. As a result, the validations run on the...

Improper Authorization

github.com/cri-o/cri-o is vulnerable to Improper Authorization. The vulnerability is due to insufficient validation during container restoration, allowing a malicious user to restore a pod without proper access to host mounts by exploiting the checkpoint restore process...

AZL-53540 CVE-2024-8676 affecting package cri-o 1.30.1-1

A vulnerability was found in CRI-O, where it can be requested to take a checkpoint archive of a container and later be asked to restore it. When it does that restoration, it attempts to restore the mounts from the restore archive instead of the pod request. As a result, the validations run on the...