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...

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...

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 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...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2023-2879)

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...

Unbreakable Enterprise kernel security update

5.4.17-2136.323.8 - vhost-scsi: Fix alignment handling with windows Mike Christie Orabug: 35769318 - Revert 'vhost/scsi: support non zerocopy iovecs' Rajan Shanmugavelu Orabug: 35769318 5.4.17-2136.323.7 - x86: change default to specstorebypassdisable=prctl spectrev2user=prctl Andrea Arcangeli...

Oracle Linux 8 : kernel (ELSA-2020-3010)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3010 advisory. - vfio vfio/pci: Fix SR-IOV VF handling with MMIO blocking Alex Williamson 1837309 1837310 CVE-2020-12888 - x86 kvm: Clean up host's steal time structu...

Oracle Linux 7 : kernel (ELSA-2019-2029)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-2029 advisory. - scsi scsi: megaraidsas: return error when create DMA pool failed Tomas Henzl 1712861 CVE-2019-11810 - net tcp: enforce tcpminsndmss in tcpmtuprobing...

Oracle Linux 8 : firefox (ELSA-2019-0966)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2019-0966 advisory. 60.6.1-1.0.2 - Rebuild to pickup Oracle default bookmarks Orabug: 30069264 60.6.1-1.0.1 - Add firefox-oracle-default-prefs.js and remove the...

Fedora: Security Advisory for spectre-meltdown-checker (FEDORA-2023-7228464f28)

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...

Fedora 38 : spectre-meltdown-checker (2023-7228464f28)

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-7228464f28 advisory. This release mainly focuses on the detection of the new Zenbleed CVE-2023-20593 vulnerability, among few other changes that were in line waiting for a releas...

EulerOS Virtualization 2.10.1 : kernel (EulerOS-SA-2023-2541)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In the Linux kernel through 6.3.1, a use-after-free in Netfilter nftables when processing batch requests can be abused to perform...

MTE As Implemented, Part 3: The Kernel

By Mark Brand, Project Zero Background In 2018, in the v8.5a version of the ARM architecture, ARM proposed a hardware implementation of tagged memory, referred to as MTE Memory Tagging Extensions. In Part 1 we discussed testing the technical and implementation limitations of MTE on the hardware...

MTE As Implemented, Part 2: Mitigation Case Studies

By Mark Brand, Project Zero Background In 2018, in the v8.5a version of the ARM architecture, ARM proposed a hardware implementation of tagged memory, referred to as MTE Memory Tagging Extensions. In Part 1 we discussed testing the technical and implementation limitations of MTE on the hardware...

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, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. 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 each vulnerability from th...

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-2023:4378 Important: kernel-rt security and bug fix update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: ipvlan: out-of-bounds write caused by unclear skb-cb CVE-2023-3090 kernel: clsflower: out-of-bounds write in flsetgeneveopt...