CVE-2026-81018

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Free system certificate signatures Multi-certificate support also allows the system authentication object to store ->signature and ->save_signature, which leak when the driver is removed. Free the signatures to avoid leaking memory.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-09-11 20:19:10.813000

Last modified

2026-10-19 09:17:35.330000

View original CVE JSON

{
  "id": "CVE-2026-81018",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-11T20:19:10.813",
  "lastModified": "2026-10-19T09:17:35.330",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Free system certificate signatures\n\nMulti-certificate support also allows the system authentication object\nto store ->signature and ->save_signature, which leak when the driver is\nremoved. Free the signatures to avoid leaking memory."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/platform/x86/lenovo/think-lmi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "9c28adde051fe76a7754856d0a414ab89adcaa4d",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "abbcc0354108cf47a6055b951182bf73520d0363",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "abca989604f60fe29d7170431f819e28ec7d868a",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/platform/x86/lenovo/think-lmi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.13",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.13",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.50",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.4",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/9c28adde051fe76a7754856d0a414ab89adcaa4d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/abbcc0354108cf47a6055b951182bf73520d0363",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/abca989604f60fe29d7170431f819e28ec7d868a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}