CVE-2026-31466

A flaw was found in the Linux kernel. A race condition exists in the memory management subsystem, specifically during transparent huge page THP splitting and page table entry invalidation. This can occur when a memory folio a unit of memory is accessed and modified without proper locking due to a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003124)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003124 advisory. Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003235)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003235 advisory. Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable...

kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

kernel: KVM: s390: pv: fix index value of replaced ASCE

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

PT-2025-53169

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the KVM component related to the s390 virtualization platform. Specifically, an incorrect index value can be assigned to a replaced ASCE Address...

USN-4185-2 linux-azure vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4184-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-oem-osp1, linux-oracle, linux-raspi2 vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...