USN-8185-2: Linux kernel (Low Latency NVIDIA) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

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-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. CVE-2026-23558: grant table v2 race in status page mapping bsc1262180. Special Instruction...

SUSE-SU-2026:1645-1 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-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. - CVE-2026-23558: grant table v2 race in status page mapping bsc1262180...

CVE-2025-54505

A transient execution vulnerability within AMD CPUs may allow a local user-privileged attacker to leak data via the floating point divisor unit, potentially resulting in loss of confidentiality...

CVE-2025-54505

CVE-2025-54505 corresponds to an AMD FP-DSS vulnerability in the Floating Point Divider (FPU) path. The advisory and related sources describe a transient execution issue in AMD CPUs whereby a local, user-privileged attacker may leak data through the floating point divider unit, with confidentiali...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the KVM SEV feature allowing synchronization of encrypted vCPUs. When accessing customer-owned...

Ubuntu Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi Real-time) vulnerabilities (USN-8204-1)

"The remote Ubuntu Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8204-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-8203-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8203-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly...

USN-8204-1 linux-raspi-realtime vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8204-1: Linux kernel (Raspberry Pi Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-3 linux-hwe-6.8, linux-ibm-6.8, linux-raspi vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013420)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013420 advisory. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010723)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010723 advisory. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013323)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013323 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use onlinevcpus, not createdvcpus, to iterate over vCPUs Use the kvmforeachvcpu helper ...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012960)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012960 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/srso: Add SRSO mitigation for Hygon processors Add mitigation for the speculative return stac...

USN-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1 linux-realtime, linux-realtime-6.8 vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8177-1 linux, linux-realtime vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-1: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.1 contained security vulnerabilities. These vulnerabilities stemmed from the PUT request handler in the UDR service, which failed to properly return values after request parsing or...