USN-8028-5: Linux kernel vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

edk2 security update

20241117-4.0.1.el97.3 - Replace upstream references Orabug:36569119 20241117-4.el97.3 - edk2-OvmfPkg-MemEncryptSevLib-Evict-cache-lines-during-SN.patch RHEL-125104 - edk2-MdePkg-Add-the-COHERENCYSFWNO-CPUID-bit-field.patch RHEL-125104 -...

Ubuntu 22.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8031-1)

"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8031-1 advisory. It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory...

USN-8031-1: Linux kernel (GCP) vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8028-2 linux-realtime-6.8 vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8028-2: Linux kernel (Real-time) vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-8028-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8028-1 advisory. It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory...

CVE-2025-0029

Improper handling of error condition during host-induced faults can allow a local high-privileged attack to selectively drop guest DMA writes, potentially resulting in a loss of SEV-SNP guest memory integrity...

CVE-2025-0029

Improper handling of error condition during host-induced faults can allow a local high-privileged attack to selectively drop guest DMA writes, potentially resulting in a loss of SEV-SNP guest memory integrity...

CVE-2025-29948

Improper access control in AMD Secure Encrypted Virtualization SEV firmware could allow a malicious hypervisor to bypass RMP protections, potentially resulting in a loss of SEV-SNP guest memory integrity...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2023-52659)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-52659 advisory. - In the Linux kernel, the following vulnerability has been resolved: x86/mm: Ensure input to pfntokad...

Exploit for CVE-2025-29943

StackWarp: PoC for CVE-2025-29943 Prueba de concepto para la...

Linux Distros Unpatched Vulnerability : CVE-2025-29943

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the...

SUSE CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

AMD CPU security vulnerabilities

AMD CPUs are a series of CPUs produced by Advanced Microelectronics Devices, Inc. AMD. There are security vulnerabilities in AMD CPUs, which stem from write-condition issues. These vulnerabilities could allow administrators with privileges to modify the CPU’s pipeline configuration, thereby...

CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

SEV-SNP Guest Stack Pointer Corruption Vulnerability

Summary Researchers have reported a CPU-caused stack corruption issue caused by flipping an undocumented MSR bit. AMD believes that this vulnerability occurs due to inadequate access controls, which fail to prevent the hypervisor from setting an internal configuration bit. This attack could allow...