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CVE-2026-31389 spi: fix use-after-free on controller registration failure

🗓️ 03 Apr 2026 15:15:55Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

SPI: fix use-after-free on controller registration; deregister if per-cpu statistics allocation fails.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/spi/spi.c"
    ],
    "versions": [
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "0e23f50086da7d0b183dfeac26021acfcdee086b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "6bbd385b30c7fb6c7ee0669e9ada91490938c051",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "afe27c1f43aa57530011f419be6ddf71306565d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "80f3e8cd2b4ad355b2ad2024cf423f6d183404f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "23b51bad2eb8787aa74324cfccefb258515ae5ba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
        "lessThan": "8634e05b08ead636e926022f4a98416e13440df9",
        "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/spi/spi.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.20",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.10",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:07Current
CVSS 3.17.8
EPSS0.00015
16