CVE-2026-31466 mm/huge_memory: fix folio isn't locked in softleaf_to_folio()

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...

CVE-2026-31466

CVE-2026-31466 affects the Linux kernel; root cause is a race in softleaf_to_folio() related to missing memory barrier (smp_rmb) when handling migration/compound pages, leading to potential incorrect folio modification. The issue was addressed by adding the missing memory barrier in softleaf_to_f...

CVE-2026-31463 iomap: fix invalid folio access when i_blkbits differs from I/O granularity

In the Linux kernel, the following vulnerability has been resolved: iomap: fix invalid folio access when iblkbits differs from I/O granularity Commit aa35dd5cbc06 "iomap: fix invalid folio access after folioendread" partially addressed invalid folio access for folios without an ifs attached, but ...

CVE-2026-31463 iomap: fix invalid folio access when i_blkbits differs from I/O granularity

In the Linux kernel, the following vulnerability has been resolved: iomap: fix invalid folio access when iblkbits differs from I/O granularity Commit aa35dd5cbc06 "iomap: fix invalid folio access after folioendread" partially addressed invalid folio access for folios without an ifs attached, but ...

CVE-2026-31463

Summary : CVE-2026-31463 concerns the Linux kernel iomap subsystem. A mismatch between inode block size (i_blkbits) and the IO granularity can cause invalid folio access during reads. The root cause was that, when IO is submitted for less than a full folio in the !ifs path, the code would fail to...

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 ext4readInlinefolio function not properly handling inline data sizes exceeding PAGESIZE,...

PT-2026-34371

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19-rc1 Description A race condition exists between mTHP splitting and the zap nonpresent ptes function on arm64 servers. The issue occurs in the softleaf to folio function due to a missing memory barrier smp rm...

PT-2026-34368

In the Linux kernel, the following vulnerability has been resolved: iomap: fix invalid folio access when i blkbits differs from I/O granularity Commit aa35dd5cbc06 "iomap: fix invalid folio access after folio end read" partially addressed invalid folio access for folios without an ifs attached, b...

Linux Distros Unpatched Vulnerability : CVE-2026-31466

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This iss...

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 iomapreadfolioiter function not properly clearing ctx-curfolio when iblkbits and I/O...

PT-2026-34356

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 read inline folio function where the use of BUG ON when inline data size exceeds PAGE SIZE can lead to a kernel panic. The fix replaces this with proper error...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013747 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix folio is still mapped when deleted Migration may be raced with fallocating hole...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007002)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007002 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: Release folio lock on fscache read hit. Under the current code, when cifsreadpageworker is...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011211)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011211 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix folio is still mapped when deleted Migration may be raced with fallocating hole...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013214)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013214 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: Release folio lock on fscache read hit. Under the current code, when cifsreadpageworker is...

PT-2026-34941

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel within the folio unmap invalidate function. The problem occurs when filemap free folio is called without a reference to or a lock on the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006756)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006756 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: Release folio lock on fscache read hit. Under the current code, when cifsreadpageworker is...

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-2026-31397

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...

EUVD-2026-18776

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...