CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

CVE-2022-48793

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

CVE-2022-48793

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

USN-6896-2: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

CVE-2022-48793 KVM: x86: nSVM: fix potential NULL derefernce on nested migration

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

CVE-2022-48793

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

CVE-2022-48793 KVM: x86: nSVM: fix potential NULL derefernce on nested migration

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

CVE-2022-48793

CVE-2022-48793 affects the Linux kernel KVM/x86 nested migration path. The root cause is a NULL dereference caused by calling nested_svm_load_cr3 before Nested Page Tables (NPT) are enabled, preventing guest memory access and breaking mmu walk initialization. Red Hat and vendor advisories (RHSA-2...

CVE-2022-48793 KVM: x86: nSVM: fix potential NULL derefernce on nested migration

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebases I accidentally moved the call to nestedsvmloadcr3 to be too early, before the NPT is enabled, which is very...

SUSE CVE-2024-40989

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-6896-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6896-2 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

USN-6898-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

RLSA-2024:4351 Low: virt:rhel and virt-devel:rhel security and bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

virt:rhel and virt-devel:rhel security and bug fix update

An update is available for libnbd, qemu-kvm, module.libvirt-python, module.swtpm, module.supermin, libvirt, module.qemu-kvm, module.sgabios, module.nbdkit, swtpm, libtpms, libguestfs, seabios, sgabios, module.libguestfs-winsupport, module.libguestfs, netcf, module.perl-Sys-Virt, module.virt-v2v,...

RLSA-2024:4211 Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack CVE-2020-26555 kernel: TCP-spoofed ghost ACKs and leak leak initial sequence number...

kernel security and bug fix update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Rocky Linux 8 : kernel (RLSA-2024:4211)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:4211 advisory. kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack CVE-2020-26555 kernel: TCP-spoofed ghost ACKs and leak leak...

virt:kvm_utils3 bug fix update

hivex libguestfs libguestfs-winsupport libiscsi libnbd libtpms libvirt 9.0.0-5.el8 - Fix off-by-one error in udevListInterfacesByStatus Martin Kletzander Orabug: 36364464 CVE-2024-1441 libvirt-dbus libvirt-python nbdkit netcf perl-Sys-Virt qemu-kvm 7.2.0-13 - vfio/migration: Enhance VFIO migratio...

Rocky Linux 8 : virt:rhel and virt-devel:rhel (RLSA-2024:4351)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:4351 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6898-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6898-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointe...