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CVE-2026-89803 drm/nouveau: unsubscribe the channel-kill event before the fence context

🗓️ 16 Sep 2026 10:30:36Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Use-after-free in Linux kernel drm/nouveau when kill event hits freed fence context.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89803
16 Sep 202610:30
cve
debiancve
Debian CVE
CVE-2026-89803
16 Sep 202610:30
debiancve
euvd
EUVD
EUVD-2026-80403
16 Sep 202610:30
euvd
nvd
NVD
CVE-2026-89803
16 Sep 202611:16
nvd
osv
OSV
AZL-101430 CVE-2026-89803 affecting package kernel 6.6.150.1-1
16 Sep 202611:16
osv
osv
OSV
BELL-CVE-2026-89803
18 Sep 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-89803
16 Sep 202611:16
osv
osv
OSV
UBUNTU-CVE-2026-89803
17 Sep 202600:00
osv
ubuntucve
UbuntuCve
CVE-2026-89803
17 Sep 202600:00
ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89803
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_chan.c"
    ],
    "versions": [
      {
        "version": "ea13e5abf807ea912ce84eef6a1946b9a38c6508",
        "lessThan": "f5a79a9ebfbafb87ca7a896e8d6b5f33a98d097e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea13e5abf807ea912ce84eef6a1946b9a38c6508",
        "lessThan": "f3830fdd6930e233d727f29eee1617f7e6a0e9e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea13e5abf807ea912ce84eef6a1946b9a38c6508",
        "lessThan": "1fef7553dc628295c1208a4f2ac2094c62886e5d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea13e5abf807ea912ce84eef6a1946b9a38c6508",
        "lessThan": "511585987d27d8cb668acebd399fc4deda23404c",
        "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_chan.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "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 3.17.8
EPSS0.00163
23