Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bootmem: The vmemmap pages are removed from kmemleak when freeing the page. These pages were previously marked as part of kmemleak when allocated from a memblock. Removing them from kmemleak ensures that errors related to thes...

CVE-2026-64302

A flaw was found in the Linux kernel. A local user could exploit an issue in the pagetablefree function, which incorrectly handles vmemmap pages. This improper memory management leads to a memory leak, where only a portion of the allocated memory is freed. Consequently, this can result in a Denia...

SUSE CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64302

Summary: CVE-2026-64302 affects the Linux kernel in the x86 memory management code. The root issue is that pagetable_free() was used to free PMD-sized vmemmap pages, but vmemmap pages are not page tables, causing only the first page to be freed and leaking the rest. This was triggered by a commit...

CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64302 x86/mm: Fix freeing of PMD-sized vmemmap pages

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

PT-2026-64523

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the x86 memory management where PMD-sized vmemmap pages are not freed correctly. The pagetable free function is used to free vmemmap pages, but since these are not...

Linux Distros Unpatched Vulnerability : CVE-2026-64302

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 x86/mm: use pagetablefree, switched from freeing non-boot page tables through freepages to...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013684)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013684 advisory. In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by...

EUVD-2022-55273

Malicious code in bioql PyPI...

DEBIAN-CVE-2022-49994

In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak ma...

CVE-2022-49994

The CVE-2022-49994 issue affects the Linux kernel memory management path involving bootmem and kmemleak. Specifically, vmemmap pages allocated from memblock were not removed from kmemleak when the page was freed, allowing kmemleak to report an error or stop working when the page is reused. The co...

CVE-2022-49994 bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak ma...

CVE-2022-49994 bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak ma...

CVE-2022-49994

In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak ma...