CVE-2026-80727

A flaw was found in the Linux kernel's x86 Machine Check Exception MCE handling. During the discovery of Corrected Machine Check Interrupts CMCI, a timer used for storm detection is modified before it is properly initialized. This improper timer setup can lead to kernel warnings and system...

UBUNTU-CVE-2023-53474

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use an u64 for bankmap Thee maximum number of MCA banks is 64 MAXNRBANKS, see a0bc32b3cacf "x86/mce: Increase maximum number of banks to 64". However, the bankmap which contains a bitfield of which banks to initializ...

PT-2025-38457

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the x86/MCE subsystem related to handling Machine Check Exceptions MCE on AMD Zen-based systems. Specifically, the Instruction Fetch IF units may...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3654-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3654-2 advisory. USN-3654-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3654-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3654-1 advisory. Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a...

USN-3656-1: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities

Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...

USN-3654-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3654-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3654-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...