CVE-2026-64285 KVM: SEV: Pin source page for write when adding CPUID data for SNP guest

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

EUVD-2026-48996

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

CVE-2026-64284 KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

CVE-2026-64284 KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

EUVD-2026-48997

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64283

CVE-2026-64283 : In the Linux kernel KVM guest_memfd binding, the offset and size for a memslot were treated inconsistently (signed/unsigned), enabling a potential overflow-related bypass where an extremely large positive offset plus size could be misinterpreted as smaller than the file size. The...

CVE-2026-64282

In the Linux kernel, the following vulnerability has been resolved: 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 release a reference on the faulted in PFN. Add the necessary call to...

EUVD-2026-48994

In the Linux kernel, the following vulnerability has been resolved: 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 release a reference on the faulted in PFN. Add the necessary call to...

SUSE-SU-2026:3248-1 Security update for the Linux Kernel RT (Live Patch 15 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.54 fixes various security issues: The following security issues were fixed: - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role bsc1270060. - CVE-2026-53366: ipv4: account for fraggap on the paged...

SUSE-SU-2026:3246-1 Security update for the Linux Kernel RT (Live Patch 14 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.51 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tlsswcancelworktx bsc1262404. - CVE-2026-31738: vxlan: validate ND option lengths in vxlannacreate bsc1264060. -...

PT-2026-64508

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 component where the flush hyp vcpu function copies the host vGIC state into the hyp's private vCPU without validating the used lrs value. Because used lr...

PT-2026-64529

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNP VLEK LOAD Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEV PDH GEN...

Linux Distros Unpatched Vulnerability : CVE-2026-64513

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 TP...

Linux Distros Unpatched Vulnerability : CVE-2026-64284

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs...

PT-2026-64509

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...

Linux Distros Unpatched Vulnerability : CVE-2026-64308

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: ccp - Do not initialize SNP for ioctlSNPVLEKLOAD Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace...

Linux Distros Unpatched Vulnerability : CVE-2026-64307

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: ccp - Do not initialize SNP for ioctlSNPCONFIG Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace...

Linux Distros Unpatched Vulnerability : CVE-2026-64438

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: qat - fix VF2PF work teardown race in adfdisablesriov The VF2PF interrupt handler queues PF- side response work that stores a raw pointer to per-VF stat...