SUSE-SU-2026:2102-1 Security update for xen

This update for xen fixes the following issues - CVE-2025-54505: Floating Point Divider State Sampling on AMD CPUs AMD-SN-7053 bsc1262428. - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066. - CVE-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. - CVE-2026-23558:...

Security update for xen

This update for xen fixes the following issues CVE-2025-54505: Floating Point Divider State Sampling on AMD CPUs AMD-SN-7053 bsc1262428. CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066. CVE-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. CVE-2026-23558: grant tabl...

SUSE-SU-2026:1933-1 Security update for xen

This update for xen fixes the following issue - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066...

CVE-2025-54518

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation...

CVE-2025-54518

CVE-2025-54518 describes an issue in Zen 2-based CPUs where improper isolation of shared resources in the CPU operation cache could allow a local attacker to corrupt instructions executed at a different privilege level, potentially enabling privilege escalation. The vulnerability affects Zen 2 mi...

AMD: CVE-2025-54518 CPU OP Cache Corruption

This vulnerability was found and addressed by AMD. We are documenting it in the Security Update Guide to encourage customers to install the May 2026 version of Windows as soon as possible. The vulnerability assigned to this CVE is in certain processor models offered by AMD. The mitigation for thi...

USN-8126-1: Linux kernel (Azure) vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

USN-8074-2: Linux kernel (Azure FIPS) 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-8074-1: Linux kernel (Azure) 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-8052-1 linux-lowlatency 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-8028-3 linux-realtime, linux-raspi-realtime 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 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-gcp-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-8028-1: 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...

CVE-2022-26364

x86 pv: Insufficient care with non-coherent mappings This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to...

CVE-2022-26363

x86 pv: Insufficient care with non-coherent mappings This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to...

edk2 security update

20250905-4 - Create new 20250905 release for OL9 which includes the following fixed CVEs: - EDK2: EDK2 contains a vulnerability in BIOS where an attacker may cause 'Protection Mechanism Failure' by local access Orabug: 38381983 CVE-2025-3770 - EDK2: EDK2 contains a vulnerability in BIOS where a...

USN-7879-4: 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 Several security issues were discovered in the Linux kernel. An attacker could possibly use...

USN-7879-3 linux-aws-6.14, linux-oracle-6.14 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 Several security issues were discovered in the Linux kernel. An attacker could possibly use...

USN-7879-3: 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 Several security issues were discovered in the Linux kernel. An attacker could possibly use...