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...

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...

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 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...

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: ipvlan: out-of-bounds write caused by unclear skb-cb CVE-2023-3090 kernel: clsflower: out-of-bounds write in flsetgeneveopt CVE-2023-35788 kernel: KVM: x86/mmu: race condition in...

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...

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...

RHEL 9 : kernel-rt (RHSA-2023:4378)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4378 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

ALSA-2023:4377 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: ipvlan: out-of-bounds write caused by unclear skb-cb CVE-2023-3090 kernel: clsflower: out-of-bounds write in flsetgeneveopt CVE-2023-35788 kernel: KVM: x86/mmu: race condition in...

RHEL 9 : kernel (RHSA-2023:4377)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4377 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipvlan: out-of-bounds write...

Ubuntu 16.04 ESM : Linux kernel vulnerabilities (USN-6221-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6221-1 advisory. It was discovered that a race condition existed in the overlay file system implementation in the Linux kernel. A local attacker could use this to cause a...