Vulnerability-Lookup

GHSA-CX9F-VR2H-M23W

Vulnerability from github – Published: 2026-05-27 15:33 – Updated: 2026-05-27 15:33

Details

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Cover a missed execution path with a new check.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-45982"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-27T14:17:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()\n\nCover a missed execution path with a new check.",
  "id": "GHSA-cx9f-vr2h-m23w",
  "modified": "2026-05-27T15:33:19Z",
  "published": "2026-05-27T15:33:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45982"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-45982 (GCVE-0-2026-45982)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:18 – Updated: 2026-05-27 12:18

Title

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Summary

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() Cover a missed execution path with a new check.

Severity

No CVSS data available.

Assigner

Linux

References

6 references

URL	Tags
https://git.kernel.org/stable/c/7d99cbe717c1b15a6…
https://git.kernel.org/stable/c/f2cf475d23b8486df…
https://git.kernel.org/stable/c/cce354524da4d10fd…
https://git.kernel.org/stable/c/b24595b86920911d2…
https://git.kernel.org/stable/c/56024dbe8c76cff22…
https://git.kernel.org/stable/c/f851e03bce968ff9b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < 7d99cbe717c1b15a66559215df32312d8cf7e525 (git) Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < f2cf475d23b8486dfa414f7ac09f918ffd3c32a5 (git) Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97 (git) Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < b24595b86920911d2b04f862422b896a0620e9ad (git) Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44 (git) Affected: 0acf24ad7e10f547809faefb8069f8f5482eb4d9 , < f851e03bce968ff9b3faad1b616062e1244fd38d (git)
Linux	Linux	Affected: 5.17 Unaffected: 0 , < 5.17 (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/acpica/evregion.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7d99cbe717c1b15a66559215df32312d8cf7e525",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            },
            {
              "lessThan": "f2cf475d23b8486dfa414f7ac09f918ffd3c32a5",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            },
            {
              "lessThan": "cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            },
            {
              "lessThan": "b24595b86920911d2b04f862422b896a0620e9ad",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            },
            {
              "lessThan": "56024dbe8c76cff22f53ba81a95d9efd4d0c9c44",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            },
            {
              "lessThan": "f851e03bce968ff9b3faad1b616062e1244fd38d",
              "status": "affected",
              "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/acpica/evregion.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.165",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.14",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.4",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()\n\nCover a missed execution path with a new check."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:18:40.822Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525"
        },
        {
          "url": "https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97"
        },
        {
          "url": "https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad"
        },
        {
          "url": "https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44"
        },
        {
          "url": "https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d"
        }
      ],
      "title": "ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-45982",
    "datePublished": "2026-05-27T12:18:40.822Z",
    "dateReserved": "2026-05-13T15:03:33.090Z",
    "dateUpdated": "2026-05-27T12:18:40.822Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CX9F-VR2H-M23W

CVE-2026-45982 (GCVE-0-2026-45982)

Tags

Sightings

Nomenclature