CVE-2026-52959

The CVE-2026-52959 issue affects the Linux kernel SEV guest module. During an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST), get_ext_report() allocates a buffer for a host certificate blob and stores its size in report_req->certs_len. The host may return SNP_GUEST_VMM_ERR_INVALID_LEN ...

CVE-2026-52959 virt: sev-guest: Do not use host-controlled page order in cleanup path

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

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...

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-2026-31592

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...

SUSE CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

DEBIAN-CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

UBUNTU-CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

CVE-2023-53769 virt/coco/sev-guest: Double-buffer messages

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

CVE-2023-53769 virt/coco/sev-guest: Double-buffer messages

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

CVE-2023-53769

CVE-2023-53769 is a Linux kernel vulnerability affecting virt/coco/sev-guest, where encryption algorithms read/write directly to shared unencrypted memory. This could leak information or allow host tampering of message integrity. The issue is resolved by copying whole messages in or out before pe...

CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

Linux Distros Unpatched Vulnerability : CVE-2023-53769

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well a...

PT-2025-49499

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The encryption algorithms within the kernel’s virt/coco/sev-guest component directly read from and write to shared unencrypted memory. This practice could potentially expose information...

EUVD-2021-13148

Malware in sbrugna...

EUVD-2021-13146

Malware in sbrugna...

EUVD-2021-33400

Malicious code in bioql PyPI...

kernel: virt/coco/sev-guest: Double-buffer messages

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...

kernel: virt/coco/sev-guest: Double-buffer messages

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy...