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CVE-2026-45894 iommu/vt-d: Clear Present bit before tearing down PASID entry

🗓️ 27 May 2026 12:17:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

VT-d: Clear Present bit with dma_wmb, run invalidations, then zero remaining PASID fields.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-45894
27 May 202612:17
cve
Debian CVE
CVE-2026-45894
27 May 202612:17
debiancve
EUVD
EUVD-2026-32360
27 May 202615:33
euvd
NVD
CVE-2026-45894
27 May 202614:17
nvd
OSV
BELL-CVE-2026-45894
29 May 202606:09
osv
OSV
DEBIAN-CVE-2026-45894
27 May 202614:17
osv
OSV
ROOT-OS-DEBIAN-11-CVE-2026-45894 CVE-2026-45894 in rootio-linux - Patched by Root
12 Jun 202604:02
osv
OSV
ROOT-OS-DEBIAN-12-CVE-2026-45894 CVE-2026-45894 in rootio-linux - Patched by Root
12 Jun 202604:20
osv
OSV
ROOT-OS-UBUNTU-2204-CVE-2026-45894 CVE-2026-45894 in rootio-linux - Patched by Root
8 Jun 202607:39
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/intel/pasid.c",
      "drivers/iommu/intel/pasid.h"
    ],
    "versions": [
      {
        "version": "0bbeb01a4fafbf8422e5c8882d461d6ac4f71e15",
        "lessThan": "a84d30e8d2bacd21782a6481158b7c9c552f4868",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0bbeb01a4fafbf8422e5c8882d461d6ac4f71e15",
        "lessThan": "821807c167b7b48a41b95b6607c6b9f97600f7d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0bbeb01a4fafbf8422e5c8882d461d6ac4f71e15",
        "lessThan": "949d71666e9dd19f21e7b4b53a88cd2c5b902858",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0bbeb01a4fafbf8422e5c8882d461d6ac4f71e15",
        "lessThan": "75ed00055c059dedc47b5daaaa2f8a7a019138ff",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/intel/pasid.c",
      "drivers/iommu/intel/pasid.h"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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30 May 2026 10:45Current
CVSS 3.17.8
EPSS0.00013
36