CVE-2022-24122: Use After Free

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2022-1010)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - net/netfilter/nfconntrackstandalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes...

Mageia: Security Advisory (MGASA-2022-0021)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Mageia: Security Advisory (MGASA-2014-0273)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Mageia: Security Advisory (MGASA-2018-0074)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Mageia: Security Advisory (MGASA-2019-0097)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

kernel: fs_context: heap overflow in legacy parameter handling

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

PT-2022-1414 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.14 through 5.16.4 Description: The issue is related to a use-after-free vulnerability in the Linux kernel, specifically in the kernel/ucount.c file, when unprivileged user namespaces are enabled. This allows a ucounts...

kernel: fs_context: heap overflow in legacy parameter handling

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

kernel: fs_context: heap overflow in legacy parameter handling

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

kernel: fs_context: heap overflow in legacy parameter handling

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

CVE-2022-0185

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

CVE-2022-0185

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

CVE-2021-46283

nftablesnewset in net/netfilter/nftablesapi.c in the Linux kernel before 5.12.13 allows local users to cause a denial of service NULL pointer dereference and general protection fault because of the missing initialization for nftsetelemexpralloc. A local user can set a netfilter table expression i...

devices resource list treated as a blacklist by default

Impact Contrary to the OCI runtime specification, runc's implementation of the linux.resources.devices list was a black-list by default. This means that users who created their own config.json objects and didn't prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not...

GHSA-G54H-M393-CPWQ devices resource list treated as a blacklist by default

Impact Contrary to the OCI runtime specification, runc's implementation of the linux.resources.devices list was a black-list by default. This means that users who created their own config.json objects and didn't prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not...

AZL-6682 CVE-2021-43784 affecting package moby-runc for versions less than 1.1.0-1

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc, netlink is used internally as a serialization system for specifying the relevant container configuration to the C portion of the code responsible for the based namespace setup of container...

UBUNTU-CVE-2021-43784

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc, netlink is used internally as a serialization system for specifying the relevant container configuration to the C portion of the code responsible for the based namespace setup of container...

Ubuntu Overlayfs Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule '2021 Ubuntu Overlayfs LPE', 'Description' = %q This module exploits a vulnerability in Ubuntu's implementation of overlayfs. The vulnerability is...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

This is a PoC exploit for CVE-2021-3493, a local privilege escalation vulnerability in Ubuntu OverlayFS. The exploit targets Ubuntu versions 20.10, 20.04 LTS, 19.04, 18.04 LTS, 16.04 LTS, and 14.04 ESM. The vulnerability arises from a Linux kernel issue where it did not properly validate the...