USN-6548-2: Linux kernel vulnerabilities

It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. CVE-2023-3006 It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors i...

USN-6548-2 linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. CVE-2023-3006 It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors i...

Ubuntu: Security Advisory (USN-6548-1)

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...

Ubuntu 18.04 ESM / 20.04 LTS : Linux kernel vulnerabilities (USN-6548-2)

The remote Ubuntu 18.04 ESM / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6548-2 advisory. It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose...

USN-6548-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-xilinx-zynqmp vulnerabilities

It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. CVE-2023-3006 It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors i...

SLAM Attack: New Spectre-based Vulnerability Impacts Intel, AMD, and Arm CPUs

Researchers from the Vrije Universiteit Amsterdam have disclosed a new side-channel attack called SLAM that could be exploited to leak sensitive information from kernel memory on current and upcoming CPUs from Intel, AMD, and Arm. The attack is an end-to-end exploit for Spectre based on a new...

Security Bulletin: IBM has released Unified Extensible Firmware Interface (UEFI) fixes in response to Spectre variants 4 and 3a (CVE-2018-3639 CVE-2018-3640)

Summary IBM has released the following Unified Extensible Firmware Interface UEFI fixes for System x, Flex and BladeCenter systems in response to the vulnerabilities referred to as Spectre variants 4 and 3a. Vulnerability Details CVEID: CVE-2018-3639 DESCRIPTION: Multiple Intel CPU''s could allow...

kernel: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()

A vulnerability was found in the Linux kernel's ipmetricsconvert function, where improper handling of user input can potentially leak kernel memory via side channels. This issue is caused by the use of @type, a user-controlled input, which is an array within this function. If a CPU speculatively...

kernel: Spectre v2 SMT mitigations problem

It was found that the Linux Kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The kernel failed to protect applications that attempted to protect against Spectre v2 leaving them open to attack from other processes...

kernel: Spectre v2 SMT mitigations problem

It was found that the Linux Kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The kernel failed to protect applications that attempted to protect against Spectre v2 leaving them open to attack from other processes...

ALSA-2023:7077 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tun: avoid double free in tunfreenetdev CVE-2022-4744 kernel: net/sched: multiple vulnerabilities CVE-2023-3609, CVE-2023-3611, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208...

NewStart CGSL MAIN 6.06 : kernel Multiple Vulnerabilities (NS-SA-2023-0142)

The remote NewStart CGSL host, running version MAIN 6.06, has kernel packages installed that are affected by multiple vulnerabilities: - Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2023-3085)

The remote host is missing an update for the Huawei EulerOS 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...

iLeakage: New Safari Exploit Impacts Apple iPhones and Macs with A- and M-Series CPUs

A group of academics has devised a novel side-channel attack dubbed iLeakage that exploits a weakness in the A- and M-series CPUs running on Apple iOS, iPadOS, and macOS devices, enabling the extraction of sensitive information from the Safari web browser. "An attacker can induce Safari to render...

kernel: Spectre v2 SMT mitigations problem

It was found that the Linux Kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The kernel failed to protect applications that attempted to protect against Spectre v2 leaving them open to attack from other processes...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: Spectre v2 SMT mitigations problem

It was found that the Linux Kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The kernel failed to protect applications that attempted to protect against Spectre v2 leaving them open to attack from other processes...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

RHEL 9 : kernel-rt (RHSA-2023:5603)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5603 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 9 : kernel (RHSA-2023:5604)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5604 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Kernel: net/sched: Use-after-free...