PT-2026-54813

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Kernel-based Virtual Machine KVM where a warning is incorrectly triggered when memory is marked dirty without a running or loaded virtual CPU vCPU during the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read from and write to shared, unencrypted memory directly. This may lead to the leakage of information, as well as allowing the host to tamper with the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Always pass an error pointer to sevplatformshutdownlocked When 9770b428b1a2 “crypto: ccp – Move devinfo/err messages for SEV/SNP init and shutdown” moved the error messages so that they don’t need to be issued by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Fixed the issue of dereferencing an uninitialized error pointer. Fixed the warnings related to smatch. Location: drivers/crypto/ccp/sev-dev.c:1312 sevplatforminitlocked Error: We previously assumed that ‘error’ coul...

PT-2026-51853

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sev-guest component when issuing an extended guest request SVM VMGEXIT EXT GUEST REQUEST. The get ext report function allocates a buffer to retrieve a certificate...

HPESBHF05042 rev.2 - Certain HPE SimpliVity Servers Using Certain AMD EPYC Processors, AMD-SB-3034: SEV-SNP Routing Misconfiguration, Local Compromise of System Integrity Vulnerability

Potential Security Impact: Local: Compromise of System Integrity SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 325 Gen10 Plus - Prior to SimpliVity Gen10 Support Pack SVTSP 2026-0417 HPE SimpliVity 325 Gen11 - Prior to SimpliVity Gen11 Support Pack SVTSP 2026-0605...

CVE-2025-61972

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network SMN access, potentially resulting in arbitrary code execution in AMD Secure Processor ASP and loss of the SEV-SNP guest's confidentiality and integrity...

CVE-2025-61971

The CVE-2025-61971 entry concerns missing lock bit protection for NBIO registers in AMD systems, enabling a locally privileged attacker to modify MMIO routing configurations and potentially compromise SEV-SNP guest integrity. Connected sources confirm affected component as NBIO registers and MMIO...

AMD多款产品 安全漏洞

AMD EPYC is a high-performance server processor developed by American semiconductor company AMD. Several AMD products have security vulnerabilities. These vulnerabilities could allow local administrator attackers to modify MMIO routing configurations, potentially leading to loss of SEV-SNP client...

EUVD-2026-26506

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed When retrieving the ID for the CPU, don't attempt to copy the ID blob to userspace if the firmware command failed. If the failure was due to an invalid...

Linux Distros Unpatched Vulnerability : CVE-2026-31593

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been...

Linux Distros Unpatched Vulnerability : CVE-2026-31592

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't...

SUSE CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

SUSE CVE-2026-31590

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Drop WARN on large size for KVMMEMORYENCRYPTREGREGION Drop the WARN in sevpinmemory on npages overflowing an int, as the WARN is comically trivially to trigger from userspace, e.g. by doing: struct kvmencregion range =...

SUSE CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

DEBIAN-CVE-2026-31593

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has already been encrypted. On a host wit...

AZL-83885 CVE-2026-31592 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31590

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Drop WARN on large size for KVMMEMORYENCRYPTREGREGION Drop the WARN in sevpinmemory on npages overflowing an int, as the WARN is comically trivially to trigger from userspace, e.g. by doing: struct kvmencregion range =...

DEBIAN-CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

CVE-2026-31593 KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has already been encrypted. On a host wit...