OESA-2026-3154 runc security update

runc is a CLI tool for spawning and running containers according to the OCI specification. Security Fixes: runc is a CLI tool for spawning and running containers according to the OCI specification. In versions prior to 1.3.6, 1.4.0-rc.1, 1.4.0-rc.12, 1.5.0-rc.1, and 1.5.0-rc.1, when setting up th...

CVE-2026-15791

A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory...

CVE-2026-15791

CVE-2026-15791 concerns BuildKit LLB/file operations where a crafted low-level build API message can escape the build root and remove contents of the host’s /tmp directory. Technical details across sources describe a Directory Traversal in the file operation (FileActionRm.Path) that can lead to h...

CVE-2026-15791 LLB file operation can be tricked to remove /tmp directory contents

A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory...

PRoot-Distro has Path Traversal in proot-distro copy — Arbitrary Read, Write, and Persistent Code Execution Outside Container Rootfs

Path Traversal in proot-distro copy — Arbitrary Read, Write, and Persistent Code Execution Outside Container Rootfs Repository https://github.com/termux/proot-distro Maintainer: @sylirre Affected Component Package: proot-distro Affected command: copy Attack surface: Host-side Termux CLI — this is...

GHSA-MFR4-MQ8W-VMG6 PRoot-Distro has Path Traversal in proot-distro copy — Arbitrary Read, Write, and Persistent Code Execution Outside Container Rootfs

Path Traversal in proot-distro copy — Arbitrary Read, Write, and Persistent Code Execution Outside Container Rootfs Repository https://github.com/termux/proot-distro Maintainer: @sylirre Affected Component Package: proot-distro Affected command: copy Attack surface: Host-side Termux CLI — this is...

GO-2026-5798 Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image in github.com/lxc/incus

Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image in github.com/lxc/incus...

CVE-2026-41579

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions prior to 1.3.6, 1.4.0-rc.1, 1.4.0-rc.12, 1.5.0-rc.1, and 1.5.0-rc.1, when setting up the container rootfs, setupPtmx and setupDevSymlinks call os.Remove and os.Symlink with a filepath.Join strin...

EUVD-2026-40859

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions prior to 1.3.6, 1.4.0-rc.1, 1.4.0-rc.12, 1.5.0-rc.1, and 1.5.0-rc.1, when setting up the container rootfs, setupPtmx and setupDevSymlinks call os.Remove and os.Symlink with a filepath.Join strin...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path through the rootfs symlink during image extraction. An attacker can gain unauthorized access to sensitive files and perform arbitrary file creation or modification on the host by importing a special...

GHSA-2Q3F-Q5PQ-G8WV Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image

Summary A specially crafted image can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Details Incus validates an image as soon as it sees a normal metadata.yaml and a rootfs/ entry, but full extraction can later process a duplicate...

PT-2026-53010

Name of the Vulnerable Software and Affected Versions Incus affected versions not specified Description An issue exists where a specially crafted image can be used to read or create and write arbitrary files on the host, potentially leading to arbitrary command execution. The problem occurs becau...

SUSE-SU-2026:22395-1 Security update for crun

This update for crun fixes the following issue - CVE-2026-47766: crun follows rootfs /dev symlink while creating default devices bsc1268302...

CVE-2026-7574

Anthropic Claude Desktop Cowork VM image handling confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0 validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local...

CVE-2026-7574

Anthropic Claude Desktop Cowork VM images (v1.1348.0–v1.2278.0) do not validate the contents of rootfs.img at time-of-use; only file presence and a version marker are checked. A local, unprivileged macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boot...

runc: Malicious image with /dev symlink can trigger limited host filesystem integrity violations

Impact When setting up the container rootfs, setupPtmx and setupDevSymlinks call os.Remove and os.Symlink with a filepath.Join string which allow an image with /dev as a symlink to trick runc into deleting files called ptmx on the host or creating a hardcoded set of symlinks with specific names a...

SUSE-SU-2026:22247-1 Security update for crun

This update for crun fixes the following issue - CVE-2026-47766: crun follows rootfs /dev symlink while creating default devices bsc1268302...

Linux Distros Unpatched Vulnerability : CVE-2026-43371

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: macb: Shuffle the tx ring before enabling tx Quanyang observed that when using an NFS...

PT-2026-39032

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A problem in the macb driver occurs when transmit is disabled, as the transmit buffer queue pointer resets to the address specified by the transmit buffer queue base address register. Th...

OESA-2026-1599 kata-containers-go security update

This is core component of Kata Container, to make it work, you need a isulad/docker engine. Security Fixes: Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.26.0, when a contain...