CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-1751)

According to the versions of the kernel packages installed, the EulerOS Virtualization 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...

EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1715)

According to the versions of the kernel packages installed, the EulerOS Virtualization 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...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-1715)

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...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-1751)

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...

2021 Ubuntu Overlayfs LPE

This module exploits a vulnerability in Ubuntu's implementation of overlayfs. The vulnerability is the result of failing to verify the ability of a user to set the attributes in a running executable. Specifically, when Overlayfs sends the set attributes data to the underlying file system via...

PT-2021-4253

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to the fixed version Description The overlayfs implementation in the Linux kernel did not properly validate the setting of file capabilities on files in an underlying file system with respect to user namespaces. Thi...

Updated firejail package fixes a security vulnerability

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, which could result in root privilege escalation. This update disables OverlayFS support in firejail CVE-2021-26910...

MGASA-2021-0120 Updated firejail package fixes a security vulnerability

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, which could result in root privilege escalation. This update disables OverlayFS support in firejail CVE-2021-26910...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9087)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9087 advisory. - ovl: verify permissions in ovlpathopen Miklos Szeredi Orabug: 32435220 CVE-2020-16120 - ovl: switch to mounter creds in readdir Miklos Szeredi Orabug...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9086)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9086 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: dont 'handle' error by BUG Jan Beulich...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9085)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9085 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: dont 'handle' error by BUG Jan Beulich...

container-tools:2.0 security 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...

Firejail Access Control Error Vulnerability

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...

openSUSE Security Update : firejail (openSUSE-2021-271)

This update for firejail fixes the following issues : firejail 0.9.64.4 is shipped to openSUSE Leap 15.2 - CVE-2021-26910: Fixed root privilege escalation due to race condition boo1181990 Update to 0.9.64.4 : - disabled overlayfs, pending multiple fixes - fixed launch firefox for open url in...

[ASA-202102-26] firejail: privilege escalation

Arch Linux Security Advisory ASA-202102-26 ========================================== Severity: High Date : 2021-02-12 CVE-ID : CVE-2021-26910 Package : firejail Type : privilege escalation Remote : No Link : https://security.archlinux.org/AVG-1545 Summary ======= The package firejail before...

Debian DLA-2554-1 : firejail security update

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail. For Debian 9 stretch, this problem has...

[SECURITY] [DLA 2554-1] firejail security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-2554-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta February 11, 2021 https://wiki.debian.org/LTS -...

AZL-6522 CVE-2020-16120 affecting package kernel for versions less than 5.10.78.1-1

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...