Design/Logic Flaw

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

CVE-2020-16120

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

CVE-2020-16120

The CVE-2020-16120 issue concerns Overlayfs in the Linux kernel where permission checks during copy-up were inadequate when used inside a user namespace. It was introduced in kernel 4.19 (ovl: stack file ops) and fixed in kernel 5.8 by patches that verify permissions in ovl_path_open(), switch to...

CVE-2020-16120 Unprivileged overlay + shiftfs read access

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

CVE-2020-16120

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

Debian: Security Advisory (DSA-4849-1)

The remote host is missing an update for the Debian 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...

CVE-2020-16120: Incorrect Privilege Assignment

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

Security update for firejail (important)

openSUSE Security Update: Security update for firejail Announcement ID: openSUSE-SU-2021:0271-1 Rating: important References: 1181990 Cross-References: CVE-2020-17367 CVE-2020-17368 CVE-2021-26910 CVSS scores: CVE-2020-17367 NVD : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-17368 NV...

[SECURITY] [DSA 4849-1] firejail security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4849-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 09, 2021 https://www.debian.org/security/faq -...

[SECURITY] [DSA 4849-1] firejail security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4849-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 09, 2021 https://www.debian.org/security/faq -...

CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

Race condition

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

UBUNTU-CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

Firejail 访问控制错误漏洞

Firejail is a SUID sandboxing program written in C. An Access Control Error vulnerability exists in versions prior to Firejail 0.9.64.4, which stems from a toctou contention condition between a stat operation and an OverlayFS mount operation, allowing an attacker to bypass intended access...

CVE-2021-26910: Time-of-check Time-of-use (TOCTOU) Race Condition

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation...

container-tools:1.0 bug fix and enhancement update

An update is available for fuse-overlayfs, container-selinux, oci-umount, runc, skopeo, slirp4netns, oci-systemd-hook, containernetworking-plugins, buildah, criu. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

container-tools:2.0 bug fix update

An update is available for fuse-overlayfs, container-selinux, udica, toolbox, 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 detaile...