New Intel CPU Vulnerability 'Indirector' Exposes Sensitive Data

Modern CPUs from Intel, including Raptor Lake and Alder Lake, have been found vulnerable to a new side-channel attack that could be exploited to leak sensitive information from the processors. The attack, codenamed Indirector by security researchers Luyi Li, Hosein Yavarzadeh, and Dean Tullsen,...

CLSA-2024-1719568080 Fix CVE(s): CVE-2021-33631, CVE-2021-47545, CVE-2024-2201, CVE-2024-26642

CVE-url: https://ubuntu.com/security/CVE-2024-2201 - x86/cpufeatures: Add CPUIDLNX5 to track recently added Linux-defined word - x86/bugs: Change commas to semicolons in 'spectrev2' sysfs file - x86/bhi: Add support for clearing branch history at syscall entry - x86/bhi: Define SPECCTRLBHIDISS -...

RHEL 8 : kernel (RHSA-2024:3810)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:3810 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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...

RHEL 8 : kernel (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - kernel: race condition in sndpcmhwfree leading to use-after-free CVE-2022-1048 - Kernel: use-after-free i...

Fedora 37 : kernel / kernel-headers / kernel-tools (2023-f4f9182dc8)

The remote Fedora 37 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2023-f4f9182dc8 advisory. The 6.1.5 stable kernel rebase contains new features, enhanced hardware support, and a number of important fixes across the tree. Tenable has...

SUSE CVE-2024-2201

A cross-privilege Spectre v2 vulnerability allows attackers to bypass all deployed mitigations, including the recent FineIBT, and to leak arbitrary Linux kernel memory on Intel systems...

Researchers Uncover First Native Spectre v2 Exploit Against Linux Kernel

Cybersecurity researchers have disclosed what they say is the "first native Spectre v2 exploit" against the Linux kernel on Intel systems that could be exploited to read sensitive data from the memory. The exploit, called Native Branch History Injection BHI, can be used to leak arbitrary kernel...

CVE-2024-2201

A flaw was found in some Intel CPUs where mitigations for the Spectre V2/BHI vulnerability were incomplete. This issue may allow an attacker to read arbitrary memory, compromising system integrity and exposing sensitive information. Mitigation Mitigation for this issue is either not available or...

Linux kernel on Intel systems is susceptible to Spectre v2 attacks

Overview A new cross-privilege Spectre v2 vulnerability that impacts modern CPU architectures supporting speculative execution has been discovered. CPU hardware utilizing speculative execution that are vulnerable to Spectre v2 branch history injection BHI are likely affected. An unauthenticated...

Spectre V2 Mitigation Bypass on Linux®

AMD ID: AMD-SB-7018 Potential Impact: N/A Severity: N/A Summary An external researcher has shared a paper with AMD titled “InSpectre Gadget: Inspecting the Residual Attack Surface of Cross-privilege Spectre v2.” AMD is not aware of any impact to AMD products. No customer action is required...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 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...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.6 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...

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...

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...