OESA-2023-1251 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An out-of-boundsOOB memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfxkms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 or Dxxx'. This flaw allows a local attacker...

CVE-2023-30456

A flaw was found in the KVM's Intel nested virtualization feature nVMX. The effective values of the guest CR0 and CR4 registers could differ from those included in the VMCS12. In rare circumstances i.e., kvmintel module loaded with parameters nested=1 and ept=0 this could allow a malicious guest ...

CBL Mariner 2.0 Security Update: kernel (CVE-2023-1513)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-1513 advisory. - A flaw was found in KVM. When calling the KVMGETDEBUGREGS ioctl, on 32-bit systems, there might be some...

The vulnerability of the nested_vmx_check_guest_state() function in the arch/x86/kvm/vmx/nested.c module of the Linux KVM virtualization subsystem allows a attacker to cause a system failure in the guest operating system.

The vulnerability of the nestedvmxcheckgueststate function in the arch/x86/kvm/vmx/nested.c module of the Linux KVM virtualization subsystem is related to the lack of checks on registers CR0 and CR1. Exploiting this vulnerability can allow an attacker to cause a failure in the guest operating...

USN-6029-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 It was discovered that the infrared...

USN-6027-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 Jiasheng Jiang discovered that the HSA...

Moderate: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security and bug fix update

An update for the virt:rhel and virt-devel:rhel modules 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

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...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.318.7.1.el7 - KVM: arm64: Disabling disabled PMU counters wastes a lot of time Alexandre Chartre Orabug: 33312587 - KVM: arm64: Don't zero the cycle count register when PMCREL0.P is set Alexandru Elisei Orabug: 33312587 - KVM: arm64: pmu: Only handle supported event counters Eric Auge...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2023-12255)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12255 advisory. - Documentation/hw-vuln: Add documentation for Cross-Thread Return Predictions Tom Lendacky Orabug: 35166671 CVE-2022-27672 - KVM: x86: Mitigate t...

UBUNTU-CVE-2021-45464

kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2023:1848-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1848-1 advisory. The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security...

USN-6020-1: Linux kernel (BlueField) vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that the KVM VMX implementation in the Linux kernel did no...

Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-6020-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6020-1 advisory. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use...

Ubuntu 22.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-6004-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6004-1 advisory. It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs...

Ubuntu: Security Advisory (USN-6004-1)

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...

USN-6004-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2022-2196 It was discovered...

USN-6004-1 linux-intel-iotg vulnerabilities

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2022-2196 It was discovered...

OESA-2023-1211 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: Kernel: A denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.cCVE-2023-28328 A slab-out-of-bound read problem was found in brcmfgetassocies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c ...

SUSE SLES12: kernel-azure / kernel-azure-base / kernel-azure-devel / etc (SUSE-SU-2023:1801-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1801-1 advisory. The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs wer...