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CVE-2026-89570 cxl/mce: Make the MCE notifier per-region

🗓️ 11 Sep 2026 19:44:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

NULL deref and use-after-free in Linux kernel CXL MCE notifier from per-device registration.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
10 Sep 202616:00
–cnnvd
cve
CVE
CVE-2026-89570
11 Sep 202619:44
–cve
debiancve
Debian CVE
CVE-2026-89570
11 Sep 202619:44
–debiancve
euvd
EUVD
EUVD-2026-76481
11 Sep 202619:44
–euvd
nvd
NVD
CVE-2026-89570
11 Sep 202620:19
–nvd
osv_bell
osv_bell
BELL-CVE-2026-89570
15 Sep 202606:05
–osv_bell
osv_debian
osv_debian
DEBIAN-CVE-2026-89570
11 Sep 202620:19
–osv_debian
osv_opensuse
osv_opensuse
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv_opensuse
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-89570
11 Sep 202620:19
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-90286
11 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cxl/core/mbox.c",
      "drivers/cxl/core/mce.c",
      "drivers/cxl/core/region.c",
      "drivers/cxl/cxl.h",
      "drivers/cxl/cxlmem.h"
    ],
    "versions": [
      {
        "version": "516e5bd0b6bf4ae1ad072df637b428a737c3c870",
        "lessThan": "5563db13c9528a56c7161260ec75ec8690dc5608",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "516e5bd0b6bf4ae1ad072df637b428a737c3c870",
        "lessThan": "491d8c9ac98d55073bda778f88a5248d4cce3fa0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "516e5bd0b6bf4ae1ad072df637b428a737c3c870",
        "lessThan": "775d0f4558f4cec0ee0c8966595d1add1791f36e",
        "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/cxl/core/mbox.c",
      "drivers/cxl/core/mce.c",
      "drivers/cxl/core/region.c",
      "drivers/cxl/cxl.h",
      "drivers/cxl/cxlmem.h"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 08:49Current
CVSS 3.17.8
EPSS0.00168
41