PT-2021-7350 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a flaw in the Linux kernel's OverlayFS subsystem, specifically in how the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain...

container-tools:rhel8 security, bug fix, and enhancement update

An update is available for fuse-overlayfs, container-selinux, udica, runc, toolbox, podman, conmon, skopeo, crun, libslirp, oci-seccomp-bpf-hook, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

CVE-2016-6198

A flaw was found that the vfsrename function did not detect hard links on overlayfs. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to crash the system...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 Ubuntu OverlayFS...

container-tools:3.0 security update

buildah 1.19.7-1.0.1 - Handling redirect from the docker registry Orabug: 29874238 Nikita Gerasimov 1.19.7-1 - update to the latest content of https://github.com/containers/buildah/tree/release-1.19 https://github.com/containers/buildah/commit/a2854ed - Resolves: 1935376 cockpit-podman 29-2 - fix...

container-tools:ol8 security update

buildah 1.19.7-2.0.1 - Fixes troubles with oracle registry login Orabug: 29937283 1.19.7-2 - revert changes to the state of 3.0-8.4.0 - Related: 1954702 conmon 2:2.0.26-3 - fix 'Permission on /dev/null are changing from 666 to 777 after running podman as root rhel-8.4.0.z' - Resolves: 1961682...

container-tools:rhel8 security update

An update is available for fuse-overlayfs, container-selinux, udica, runc, toolbox, podman, conmon, skopeo, crun, libslirp, oci-seccomp-bpf-hook, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

SUSE: Security Advisory (SUSE-SU-2020:0697-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2019:2223-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

container-tools:2.0 security update

An update is available for fuse-overlayfs, container-selinux, udica, runc, toolbox, podman, conmon, skopeo, python-podman-api, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-1950)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1929)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsitransport...

Firejail: Privilege escalation

Background A SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. Description It was discovered that a flaw in Firejail’s OverlayFS code allowed restricted programs to escape sandbox. Impac...

container-tools:ol8 security, bug fix, and enhancement update

cockpit-podman 29-2 - fix gating test failure for cockpit-podman - Related: 1914884 29-1 - update to https://github.com/cockpit-project/cockpit-podman/releases/tag/29 - Related: 1883490 conmon 2:2.0.26-1 - update to https://github.com/containers/conmon/releases/tag/v2.0.26 - Related: 1883490...

new module: container-tools:3.0

An update is available for fuse-overlayfs, container-selinux, udica, toolbox, podman, conmon, skopeo, crun, libslirp, oci-seccomp-bpf-hook, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base...

container-tools:2.0 bug fix and enhancement update

An update is available for fuse-overlayfs, container-selinux, udica, toolbox, podman, conmon, skopeo, python-podman-api, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a...

LSN-0076-1: Kernel Live Patch Security Notice

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges.CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT compil...

LSN-0076-1 Kernel Live Patch Security Notice

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges.CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT compil...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Vers...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

PoC exploit for CVE-2021-3493, a local privilege escalation vulnerability in Ubuntu OverlayFS. The target is the Linux kernel, specifically the overlayfs file system, which did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker coul...