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CVE-2026-74273

🗓️ 15 Aug 2026 05:57:46Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 67 Views

Linux kernel CXL region race allows userspace to delete regions during creation, violating kernel assumptions.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
–astralinux
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
14 Aug 202616:00
–cnnvd
cvelist
Cvelist
CVE-2026-74273 cxl/region: Block region delete during region creation
15 Aug 202605:57
–cvelist
debian
Debian
[SECURITY] [DSA 6602-1] linux security update
2 Nov 202616:13
–debian
debiancve
Debian CVE
CVE-2026-74273
15 Aug 202605:57
–debiancve
euvd
EUVD
EUVD-2026-59420
15 Aug 202605:57
–euvd
mscve
Microsoft CVE
cxl/region: Block region delete during region creation
23 Oct 202608:13
–mscve
nvd
NVD
CVE-2026-74273
15 Aug 202606:22
–nvd
osv_azl
osv_azl
AZL-110426 CVE-2026-74273 affecting package kernel 6.6.159.1-1
15 Aug 202606:22
–osv_azl
osv_bell
osv_bell
BELL-CVE-2026-74273
18 Aug 202606:06
–osv_bell
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.3–6.6.160
linuxlinux_kernelRange6.7.0–6.12.114
linuxlinux_kernelRange6.13.0–6.18.57
linuxlinux_kernelRange6.19.0–7.1.5
linuxlinux_kernelRange7.2.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cxl/core/port.c",
      "drivers/cxl/core/region.c",
      "drivers/cxl/cxl.h"
    ],
    "versions": [
      {
        "version": "a32320b71f085f8d82afedcf285f1682c8c00aed",
        "lessThan": "8efa9fcc1d31b29b31e0ac4efe48624a729796bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a32320b71f085f8d82afedcf285f1682c8c00aed",
        "lessThan": "ecc86a28dc27509da511bb3f8c309750233e3177",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a32320b71f085f8d82afedcf285f1682c8c00aed",
        "lessThan": "98c7e206af48b4433b2192cc1a538db2acc49876",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a32320b71f085f8d82afedcf285f1682c8c00aed",
        "lessThan": "b0b6a9c65cb72c901fdcc6ae83d7afd70cdca1b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a32320b71f085f8d82afedcf285f1682c8c00aed",
        "lessThan": "d91feb88692e81b00cd22f0125cfcd04970b4a0b",
        "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/port.c",
      "drivers/cxl/core/region.c",
      "drivers/cxl/cxl.h"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Oct 2026 13:19Current
5.9Medium risk
Vulners AI Score5.9
EPSS0.00209
67