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-2026-34356

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...

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...

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...

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 20.1070e 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...

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 20.1050e 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...

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...

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...

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-2026-31397

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...

CVE-2026-31397 mm/huge_memory: fix use of NULL folio in move_pages_huge_pmd()

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...

CVE-2026-31397 mm/huge_memory: fix use of NULL folio in move_pages_huge_pmd()

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...

CVE-2026-31397

CVE-2026-31397 relates to the Linux kernel memory management path mm/huge_memory move_pages_huge_pmd(), where the huge zero page branch used a NULL src_folio, causing a bogus PFN (or NULL dereference on some memory models) when constructing PMDs. The fix uses page_folio(src_page) to obtain a vali...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use offoliopfn. This vulnerability may lead to invalid PMD installations or null pointer...