CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

SUSE CVE-2024-53228

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: Fix out-of-bounds array access In kvmriscvvcpusbiinit the entry-extidx can contain an out-of-bound index. This is used as a special marker for the base extensions, that cannot be disabled. However, when traversing the...

CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

UBUNTU-CVE-2024-53228

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: Fix out-of-bounds array access In kvmriscvvcpusbiinit the entry-extidx can contain an out-of-bound index. This is used as a special marker for the base extensions, that cannot be disabled. However, when traversing the...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 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...

edk2 security update

20240524-6.0.1 - Replace upstream references Orabug:36569119 20240524-6 - edk2-OvmfPkg-CpuHotplugSmm-delay-SMM-exit.patch RHEL-56974 - edk2-Bumped-openssl-submodule-version-to-0205b5898872.patch RHEL-55336 - Resolves: RHEL-56974 qemu-kvm: warning: Blocked re-entrant IO on MemoryRegion:...

CVE-2024-50114 KVM: arm64: Unregister redistributor for failed vCPU creation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Unregister redistributor for failed vCPU creation Alex reports that syzkaller has managed to trigger a use-after-free when tearing down a VM: BUG: KASAN: slab-use-after-free in kvmputkvm+0x300/0xe68...

CVE-2024-50114

CVE-2024-50114 affects Linux kernel KVM on arm64. The flaw originates in the vCPU teardown path when a failed vCPU creation leads to an MMIO redistributor being unregistered, triggering a use-after-free in kvm_put_kvm during VM teardown. The root cause is improper teardown ordering that could all...

CVE-2024-50114 KVM: arm64: Unregister redistributor for failed vCPU creation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Unregister redistributor for failed vCPU creation Alex reports that syzkaller has managed to trigger a use-after-free when tearing down a VM: BUG: KASAN: slab-use-after-free in kvmputkvm+0x300/0xe68...

kernel: KVM: Always flush async #PF workqueue when vCPU is being destroyed

A flaw was found in the KVM Kernel-based Virtual Machine subsystem in the Linux kernel. When virtual processors or virtual machines are destroyed, pending asynchronous page fault background tasks are not properly completed before resources are released. A local user with permissions to manage...

CVE-2024-50114: Use After Free

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Unregister redistributor for failed vCPU creation Alex reports that syzkaller has managed to trigger a use-after-free when tearing down a VM: BUG: KASAN: slab-use-after-free in kvmputkvm+0x300/0xe68...

PT-2024-35676

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns an out-of-bounds array access in the Linux kernel, specifically in the kvm riscv vcpu sbi init function. The entry-ext idx can contain an out-of-bound index, which is...

virt:kvm_utils3 security update

hivex libguestfs 1.44.0-9.0.2 - libguestfs.spec: Add btrfs-progs RPM to appliance Orabug: 35634755 libguestfs-winsupport libiscsi libnbd 1.6.0-6.el8 - Fix CVE-2024-7383 NBD server improper certificate validation resolves: RHEL-52728 1.6.0-5.el8 - Fix CVE-2022-0485: Fail nbdcopy if NBD read or wri...

PT-2024-33947

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.11.0-rc6 Description: A use-after-free issue has been identified in the Linux kernel, specifically in the KVM: arm64: Unregister redistributor for failed vCPU creation. This issue occurs when tearing down a VM...

SUSE CVE-2024-46830

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm-srcu when handling KVMSETVCPUEVENTS Grab kvm-srcu when processing KVMSETVCPUEVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note,...

DEBIAN-CVE-2024-46830

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm-srcu when handling KVMSETVCPUEVENTS Grab kvm-srcu when processing KVMSETVCPUEVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note,...

CVE-2024-46822

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...

UBUNTU-CVE-2024-46830

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm-srcu when handling KVMSETVCPUEVENTS Grab kvm-srcu when processing KVMSETVCPUEVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note,...

CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...

CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...