Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an incorrect access check in the VC handler and an instruction emulation of SEV-ES emulation of MMIO access...

CLSA-2023-1698306895 Fix of 7 CVEs

CVE-2023-0597 // CVE-url: https://ubuntu.com/security/CVE-2023-0597 - x86/kasan: Map shadow for percpu pages on demand - x86/mm: Recompute physical address for every page of per-CPU CEA mapping - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area - x86/mm: Do not shuffle CPU...

macOS 13.x < 13.6.1 Multiple Vulnerabilities (HT213985)

The remote host is running a version of macOS / Mac OS X that is 13.x prior to 13.6.1. It is, therefore, affected by multiple vulnerabilities: - The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS...

Ubuntu: Security Advisory (USN-6416-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

A use-after-free vulnerability was found in the Netfilter subsystem of the Linux kernel when processing batch requests to update nftables configuration. This vulnerability can be abused to perform arbitrary reads and writes in kernel memory. A local user with CAPNETADMIN capability could use this...

kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

A use-after-free vulnerability was found in the Netfilter subsystem of the Linux kernel when processing batch requests to update nftables configuration. This vulnerability can be abused to perform arbitrary reads and writes in kernel memory. A local user with CAPNETADMIN capability could use this...

kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol L2CAP, part of the Bluetooth stack in the l2capconnect and l2capleconnectreq functions. An attacker with physical access within the range of standard Bluetooth transmission could...

kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol L2CAP, part of the Bluetooth stack in the l2capconnect and l2capleconnectreq functions. An attacker with physical access within the range of standard Bluetooth transmission could...

Design/Logic Flaw

A vulnerability has been identified in SIMATIC CP 1604 All versions, SIMATIC CP 1616 All versions, SIMATIC CP 1623 All versions, SIMATIC CP 1626 All versions, SIMATIC CP 1628 All versions. The kernel memory of affected devices is exposed to user-mode via direct memory access DMA which could allow...

kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

A use-after-free vulnerability was found in the Netfilter subsystem of the Linux kernel when processing batch requests to update nftables configuration. This vulnerability can be abused to perform arbitrary reads and writes in kernel memory. A local user with CAPNETADMIN capability could use this...

CVE-2023-37194

A vulnerability has been identified in SIMATIC CP 1604 All versions, SIMATIC CP 1616 All versions, SIMATIC CP 1623 All versions, SIMATIC CP 1626 All versions, SIMATIC CP 1628 All versions. The kernel memory of affected devices is exposed to user-mode via direct memory access DMA which could allow...

Siemens SIMATIC 多款产品访问控制错误漏洞

The SIMATIC CP 1623, CP 1626 and CP 1628 are PCI express cards for connection to industrial Ethernet. the SIMATIC CP 1604 and CP 1616 are PCI/PCI-104 cards for the connection of field devices to PROFINET industrial Ethernet. The Siemens SIMATIC CP devices suffer from an Improper Access Control...

PT-2023-6260 · Siemens · Simatic Cp 1623 +4

Name of the Vulnerable Software and Affected Versions: SIMATIC CP 1604 All versions SIMATIC CP 1616 All versions SIMATIC CP 1623 All versions SIMATIC CP 1626 All versions SIMATIC CP 1628 All versions Description: A vulnerability has been identified that exposes kernel memory of affected devices t...

Ubuntu: Security Advisory (USN-6415-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

A use-after-free vulnerability was found in the Netfilter subsystem of the Linux kernel when processing batch requests to update nftables configuration. This vulnerability can be abused to perform arbitrary reads and writes in kernel memory. A local user with CAPNETADMIN capability could use this...

Ubuntu: Security Advisory (USN-6386-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

USN-6386-2 linux-raspi vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

PT-2024-13298

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.11 Linux kernel versions through 6.8.0 Description The issue allows a physically proximate attacker to read kernel memory by mounting a filesystem and then leveraging local access to trigger an out-of-bounds...

CVE-2023-41981

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations...

CVE-2023-41232

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.7, iOS 17 and iPadOS 17, macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. An app may be able to disclose kernel memory...