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CVE-2025-40031 tee: fix register_shm_helper()

🗓️ 28 Oct 2025 11:48:13Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 5 Views

Fix register_shm_helper error handling for partial pages to prevent NULL dereference in TEE SHM.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability in Linux 6.12
13 Jan 202614:01
–astralinux
Circl		CVE-2025-40031
2 Apr 202617:00
–circl
CNNVD		Linux kernel 安全漏洞
28 Oct 202500:00
–cnnvd
CVE		CVE-2025-40031
28 Oct 202511:48
–cve
Debian CVE		CVE-2025-40031
28 Oct 202511:48
–debiancve
EUVD		EUVD-2025-36497
28 Oct 202511:48
–euvd
NVD		CVE-2025-40031
28 Oct 202512:15
–nvd
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2025:20172-1)
24 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28040)
10 Dec 202500:00
–nessus
Tenable Nessus		Ubuntu 25.10 : Linux kernel vulnerabilities (USN-8029-1)
13 Feb 202600:00
–nessus
Rows per page
[
  {
    "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": "7bdee41575919773818e525ea19e54eb817770af",
        "lessThan": "9338093db954918558677a468d32e77041c65167",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bdee41575919773818e525ea19e54eb817770af",
        "lessThan": "6a7874ab814ce12003c46a92f7afc9b035c8e8e9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bdee41575919773818e525ea19e54eb817770af",
        "lessThan": "d5cf5b37064b1699d946e8b7ab4ac7d7d101814c",
        "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/tee/tee_shm.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.53",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.3",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:41Current
EPSS0.00176
kernelteeshared memorypartial pagesnull dereference
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