PT-2026-66444

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM x86 module where the emulator pio in function was used as a bounce for fast PIO. The fix involves using emulator pio in directly for fast PIO, as emulator pio ...

CVE-2026-64282

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine for arm64 architectures. A race condition between the kvmtranslatevncr function and an MMU Memory Management Unit notifier can lead to a Page Frame Number PFN leak. This occurs because an early return in kvmtranslatevncr fail...

CVE-2026-64284

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for x86 systems. This vulnerability occurs when KVM handles fastpath exits, where it may fail to execute vendor-specific cleanup operations before returning control to the virtual machine's userspace. Consequently, memory...

CVE-2026-64287

A flaw was found in the Kernel-based Virtual Machine KVM component of the Linux kernel on ARM64 systems. A highly privileged local attacker could exploit a vulnerability where the system fails to properly restrict memory access during a specific virtual machine operation. This could allow the...

CVE-2026-64283

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. An integer overflow vulnerability exists in the guestmemfd functionality when binding memory slots. A malicious guest operating system could exploit this by providing crafted offset and size values, leading to...

SUSE-SU-2026:3383-1 Security update for the Linux Kernel (Live Patch 83 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.310 fixes various security issues: The following security issues were fixed: - CVE-2026-43038: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach bsc1271648. - CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpecte...

SUSE-SU-2026:3351-1 Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.166 fixes various security issues: The following security issues were fixed: - CVE-2026-43038: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach bsc1271648. - CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to...

Security update for the Linux Kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 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...

SUSE SLES15 Security Update : kernel (Live Patch 9 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:3286-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3286-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.31 fixes various security issues: The following security issues were fixed: -...

UBUNTU-CVE-2026-64555

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

CVE-2026-64555

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

CVE-2026-64285

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component, specifically within the Secure Nested Paging SNP guest functionality. When KVM populates a guest's CPUID Central Processor Unit Identifier data, it may attempt to write to a source memory page that is intended to b...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio CVE-2026-31451 In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache...

KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU

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SUSE 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...

UBUNTU-CVE-2026-64307

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPCONFIG 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., SEVPDHGEN and ze...

UBUNTU-CVE-2026-64513

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-2026-64513

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...

EUVD-2026-49019

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPCONFIG 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., SEVPDHGEN and ze...

CVE-2026-64287 KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU

In the Linux kernel, the following vulnerability has been resolved: 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 register save and restore use usedlrs as their loop bound and expect it to...