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CVE-2026-89804 drm/nouveau/dmem: fix mismatched DMA unmap size for large folios

🗓️ 16 Sep 2026 10:30:37Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Linux kernel nouveau dmem DMA unmap size mismatch leaks IOMMU mapping for large folios.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89804
16 Sep 202610:30
cve
debiancve
Debian CVE
CVE-2026-89804
16 Sep 202610:30
debiancve
euvd
EUVD
EUVD-2026-80404
16 Sep 202610:30
euvd
nvd
NVD
CVE-2026-89804
16 Sep 202611:16
nvd
osv
OSV
BELL-CVE-2026-89804 CVE-2026-89804 does not affect BellSoft software
18 Sep 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-89804
16 Sep 202611:16
osv
osv
OSV
UBUNTU-CVE-2026-89804
17 Sep 202600:00
osv
ubuntucve
UbuntuCve
CVE-2026-89804
17 Sep 202600:00
ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89804
16 Sep 202600:00
nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/nouveau/nouveau_dmem.c"
    ],
    "versions": [
      {
        "version": "c3228747107705d47c7e9a03598a434a0380cb73",
        "lessThan": "4deb29b9d33bfdb3de4d2d9944947ecf77221e42",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3228747107705d47c7e9a03598a434a0380cb73",
        "lessThan": "caa1bc2a0a6ca19dcb90bbf88208b0fe2decd66f",
        "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/gpu/drm/nouveau/nouveau_dmem.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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16 Sep 2026 14:38Current
CVSS 3.18.8
EPSS0.00154
21