CVE-2026-98892 (GCVE-0-2026-98892)
Vulnerability from cvelistv5
Published
2026-10-23 11:37
Modified
2026-10-26 06:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size BASE_ERROR_EVENT carries a variable number of message reports, with the count encoded in error_status. The notification parser used that count without checking whether the received payload contained all reported entries. Reject truncated payloads before copying the report array.
References
Impacted products
Vendor Product Version
Linux Linux Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
Version: 585dfab3fb80e67b3a54790b3d5ef2991feb3950
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/firmware/arm_scmi/base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4a754704698017ced0b657c92b468035faad00ed",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "28d65a0a46435d48b96b6943c518095dff1602a1",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "890a9c3bf9dae90dcabded9d8e10c708a13779f7",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "c0742f23ec13fb6f5e0cd884323467a6c127d3c2",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "cb77a50d1114c0c9e084176301a8e094d383edfa",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            },
            {
              "lessThan": "56e7e64cdd0e7209a58c8ec66028d63387402919",
              "status": "affected",
              "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/firmware/arm_scmi/base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.9"
            },
            {
              "lessThan": "5.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.271",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.189",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.271",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.222",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.189",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.158",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.111",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.53",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Validate BASE_ERROR_EVENT payload size\n\nBASE_ERROR_EVENT carries a variable number of message reports,\nwith the count encoded in error_status. The notification parser used\nthat count without checking whether the received payload contained all\nreported entries.\n\nReject truncated payloads before copying the report array."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T06:56:18.073Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4a754704698017ced0b657c92b468035faad00ed"
        },
        {
          "url": "https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb77a50d1114c0c9e084176301a8e094d383edfa"
        },
        {
          "url": "https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919"
        }
      ],
      "title": "firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98892",
    "datePublished": "2026-10-23T11:37:52.692Z",
    "dateReserved": "2026-09-25T10:25:14.378Z",
    "dateUpdated": "2026-10-26T06:56:18.073Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.