CVE-2026-64513 KVM: x86: Unconditionally recompute CR8 intercept on PPR update

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Unconditionally recompute CR8 intercept on PPR update The TPRTHRESHOLD field in the VMCS is used by VMX to induce VM exits when the guest's virtual TPR falls under the specified threshold, allowing KVM to inject...

CVE-2026-64288 KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet no pseudo-TLB allocated. Similarly, the TLB...

CVE-2026-64288 KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet no pseudo-TLB allocated. Similarly, the TLB...

CVE-2026-64286 KVM: arm64: Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Clear hyprunningvcpu when flushing the pKVM hyp vCPU flushhypvcpu copies the host vCPU context into the hyp's private vCPU on every run. ctxttovcpu expects a guest context to have a NULL hyprunningvcpu, which is only...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

SUSE CVE-2026-64247

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Bound the bank index when querying sparse banks When checking if a VP ID is included in a sparse bank set, explicitly check that the ID can actually be contained in a sparse bank the TLFS allows for a maximum o...

Linux Distros Unpatched Vulnerability : CVE-2026-64287

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Bound usedlrs when flushing the pKVM hyp vCPU flushhypvcpu copies the host vGIC state into the hyp's private vCPU on every run. The vGIC list regist...

PT-2026-64507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 implementation where the flush hyp vcpu function copies the host vCPU context into the hyp's private vCPU during every run. Because the ctxt to vcpu...

Linux Distros Unpatched Vulnerability : CVE-2026-64288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcp...

Linux Distros Unpatched Vulnerability : CVE-2026-64283

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values ...

Linux Distros Unpatched Vulnerability : CVE-2026-64282

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Don't leak PFN when kvmtranslatevncr races MMU notifier In the case that kvmtranslatevncr races with an MMU notifier the early return does not relea...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-2001)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2001 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation CVE-2026-45859 In the Linux kernel, the following...

PT-2026-64528

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the crypto ccp component where the system could attempt to initialize SNP during an ioctlSNP CONFIG call. If SEV initialization fails while KVM is running normal VMs, a...

UBUNTU-CVE-2026-64247

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Bound the bank index when querying sparse banks When checking if a VP ID is included in a sparse bank set, explicitly check that the ID can actually be contained in a sparse bank the TLFS allows for a maximum o...

ALSA-2026:45116 Important: kernel-rt security 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: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation CVE-2026-45859 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use listdelrcu for netlink hooks...

RHEL 8 : kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_97_1 (RHSA-2026:43847)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:43847 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module ...

Oracle Linux 10 : kernel (ELSA-2026-19569)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-19569 advisory. - crypto: ccp - copy IV using skcipher ivsize CKI Backport Bot RHEL-188463 CVE-2026-53016 - futex/requeue: Revert 'Prevent NULL pointer dereference i...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock bsc1264484. CVE-2026-46052: ceph: only dadd negative dentries when they are unhashed bsc1267494...

SUSE CVE-2026-64105

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Free privateirqs when init fails after allocation Companion to commit 250f25367b58 "KVM: arm64: Tear down vGIC on failed vCPU creation", which added the missing kvmvgicvcpudestroy call to the kvmsharehyp failure...