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CVE-2025-39865 tee: fix NULL pointer dereference in tee_shm_put

🗓️ 19 Sep 2025 15:26:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Fix NULL pointer dereference in tee_shm_put in the Linux kernel when reg_pair_to_ptr returns NULL.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tee/tee_shm.c"
    ],
    "versions": [
      {
        "version": "c05d8f66ec3470e5212c4d08c46d6cb5738d600d",
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        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
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      },
      {
        "version": "dfd0743f1d9ea76931510ed150334d571fbab49d",
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        "status": "affected",
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      },
      {
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      {
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      },
      {
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      },
      {
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      },
      {
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      },
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      },
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tee/tee_shm.c"
    ],
    "versions": [
      {
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        "status": "affected"
      },
      {
        "version": "0",
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        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.243",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.192",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.151",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.105",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.46",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.6",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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