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CVE-2026-53344

🗓️ 01 Jul 2026 13:32:24Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 6 Views

The CVE-2026-53344 issue in the Linux kernel affects the pinctrl driver for the mcp23s08. The root cause is that mcp->dev and mcp->addr must be initialized before regmap initialization, because regmap’s cache population via regcache_maple_po...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-53344
1 Jul 202613:32
–attackerkb
Cvelist		CVE-2026-53344 pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init
1 Jul 202613:32
–cvelist
Debian CVE		CVE-2026-53344
1 Jul 202613:32
–debiancve
EUVD		EUVD-2026-40978
1 Jul 202613:32
–euvd
NVD		CVE-2026-53344
1 Jul 202614:16
–nvd
Vulners
CNA
Node
linuxlinux_kernelRange6.19–7.0.13
OR
linuxlinux_kernelRange7.1.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/pinctrl/pinctrl-mcp23s08_spi.c"
    ],
    "versions": [
      {
        "version": "f9f4fda15e720686f1b2b436591ab11255e4e85e",
        "lessThan": "3a13bb9540dfd7014c5601608afcbbadbbcfd673",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9f4fda15e720686f1b2b436591ab11255e4e85e",
        "lessThan": "8473c3a197b57ff01396f7a2ec6ddf65383820d4",
        "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/pinctrl/pinctrl-mcp23s08_spi.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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01 Jul 2026 14:16Current
5.8Medium risk
Vulners AI Score5.8
6