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CVE-2026-89451 iommu/sva: Set handle->dev before the SVA handle is visible

🗓️ 11 Sep 2026 19:43:16Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Race in Linux kernel iommu/sva where handle->dev is NULL when visible, causing NULL deref on unbind.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89451
11 Sep 202619:43
cve
debiancve
Debian CVE
CVE-2026-89451
11 Sep 202619:43
debiancve
euvd
EUVD
EUVD-2026-76357
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-89451
11 Sep 202620:19
nvd
osv
OSV
DEBIAN-CVE-2026-89451
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90167
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89451
11 Sep 202623:55
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/iommu-sva.c"
    ],
    "versions": [
      {
        "version": "be51b1d6bbff48c7d1943a8ff1e5a55777807f6e",
        "lessThan": "bcffb1c75da8fc9d51168ff9f09d471c26507912",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be51b1d6bbff48c7d1943a8ff1e5a55777807f6e",
        "lessThan": "968e9a1f71140c86dc4092f6b361e997923f3813",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be51b1d6bbff48c7d1943a8ff1e5a55777807f6e",
        "lessThan": "37a96a30617a4c96f048a5874c00509bc4fe4d85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be51b1d6bbff48c7d1943a8ff1e5a55777807f6e",
        "lessThan": "530f8f9c3546cb3ebee1b135375aaee08a073ebb",
        "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/iommu-sva.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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