PT-2026-90469

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: report RCU-tasks quiescent states in shrink lruvec I am seeing some rcu tasks stalls in the Meta fleet during reclaim. INFO: rcu tasks detected stalls on tasks: 0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idle cpu...

CVE-2026-80719: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm: mglru: fix stale batch updates after memcg reparenting The mglru page table walker batches per-generation size deltas in walk-nrpages while walking page tables without holding the lruvec lock. The resetbatchsize later folds...

CVE-2024-40949

A flaw was found in "mm: shmem" in the Linux Kernel. This issue was resolved by fixing incorrect LRU vector handling when replacing shmem folios. The issue occurred because the replacement cleared the old folio's memory control group memcg data, causing incorrect LRU vector retrieval and potentia...

UBUNTU-CVE-2024-40949

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

CVE-2024-40949

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an issue with the mm:shmem component getting the wrong lruvec when replacing the shmem folio...