Linux Distros Unpatched Vulnerability : CVE-2026-31398

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable a...

SUSE CVE-2026-23430

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

SUSE CVE-2026-31398

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

EUVD-2026-18778

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

EUVD-2026-18665

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

CVE-2026-23430

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

CVE-2026-31398

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

CVE-2026-23430

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

UBUNTU-CVE-2026-23430

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

UBUNTU-CVE-2026-31398

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

CVE-2026-31398

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

CVE-2026-31398

Summary (CVE-2026-31398) : A Linux kernel MMU issue in the rmap code affects lazyfree folios during batch unmapping. When a folio’s pages have a mix of writable and non-writable PTEs, the batch restoration path could mark the entire batch writable, breaking CoW semantics and potentially causing a...

CVE-2026-31398 mm/rmap: fix incorrect pte restoration for lazyfree folios

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

CVE-2026-31398 mm/rmap: fix incorrect pte restoration for lazyfree folios

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix incorrect pte restoration for lazyfree folios We batch unmap anonymous lazyfree folios by foliounmapptebatch. If the batch has a mix of writable and non-writable bits, we may end up setting the entire batch writable...

CVE-2026-23430

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

CVE-2026-23430 drm/vmwgfx: Don't overwrite KMS surface dirty tracker

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

CVE-2026-23430

The CVE-2026-23430 issue affects the Linux kernel DRM/vmwgfx component, where the KMS surface dirty tracker was being overwritten, leading to a memory leak. The vulnerability has been resolved in the kernel by correcting this behavior. Connected sources confirm the root cause and the fix are impl...

CVE-2026-23430 drm/vmwgfx: Don't overwrite KMS surface dirty tracker

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...

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 improper restoration of writable and soft dirty bits during batch processing, potentially...

PT-2026-30125

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak...