CVE-2026-84042

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking krun.usepasst, crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun = 1.29...

CVE-2026-88265: Improper Link Resolution Before File Access

A flaw was found in crun. After pivotroot, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed relea...

PT-2026-89308

Name of the Vulnerable Software and Affected Versions crun versions prior to 1.29.2 Description A flaw exists where terminal setup can redirect /dev/console to a path controlled by an attacker if the container configuration lacks a dedicated mount for /dev. This issue can occur via the...

CVE-2026-88264: Improper Link Resolution Before File Access

A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations...

CVE-2026-84042: Improper Privilege Management

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking krun.usepasst, crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun = 1.29...

CVE-2026-88264: Improper Link Resolution Before File Access

A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations...

PT-2026-89307

Name of the Vulnerable Software and Affected Versions crun versions 1.29 and later Description A flaw exists when crun is built with libkrun and a container is started rootful using passt networking via the krun.use passt configuration. This issue allows an attacker to execute a controlled payloa...

PT-2026-89336

Name of the Vulnerable Software and Affected Versions crun versions prior to 1.29.2 Description A flaw exists where reopening /dev/null for stdio after a pivot root operation can follow a symlink. This allows a host file to be attached to the container stdio, subsequently enabling the change of...

CVE-2026-88265: Improper Link Resolution Before File Access

A flaw was found in crun. After pivotroot, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed relea...

CVE-2026-84042: Improper Privilege Management

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking krun.usepasst, crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun = 1.29...

AZL-95985 CVE-2026-47766 affecting package crun 1.24-6

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

CVE-2026-47766

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

CVE-2026-47766

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

CVE-2026-47766

CVE-2026-47766 affects crun prior to version 1.28. When an OCI bundle uses a symlink for rootfs/dev and the bundle omits mounting /dev, crun may follow the symlink and create default device nodes and stdio symlinks at the symlink target outside the container rootfs. In a local rootful crun replay...

CVE-2026-47766

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs "/dev" directory without "ONOFOLLOW". If an OCI bundle contains "rootfs/dev" as a symlink and the bundle configuration does not mount "/dev", crun follows...

CVE-2026-47766 crun follows rootfs /dev symlink while creating default devices

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

CVE-2026-47766 crun follows rootfs /dev symlink while creating default devices

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

EUVD-2026-58714

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

CVE-2026-47766

crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs /dev directory without ONOFOLLOW. If an OCI bundle contains rootfs/dev as a symlink and the bundle configuration does not mount /dev, crun follows that...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: crun: crun-1.28-2.hum1 aarch64, x8664 crun-krun-1.28-2.hum1 aarch64, x8664 crun-wasm-1.28-2.hum1 aarch64, x8664 crun-1.28-2.hum1.src src...