CVE-2025-21903 (GCVE-0-2025-21903)
Vulnerability from cvelistv5
Published
2025-04-01 15:40
Modified
2025-05-04 07:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mctp i3c: handle NULL header address daddr can be NULL if there is no neighbour table entry present, in that case the tx packet should be dropped. saddr will usually be set by MCTP core, but check for NULL in case a packet is transmitted by a different protocol.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/740bf9c9b715cc327d34b1e2d4ee79fcd4c47a56
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cf7ee25e70c6edfac4553d6b671e8b19db1d9573
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d8be54c35aee29d96d1350b1b6f153be4da37c07
Impacted products
Vendor Product Version
Linux Linux Version: c8755b29b58ec65be17bcb8c40763d2dcb1f1db5
Version: c8755b29b58ec65be17bcb8c40763d2dcb1f1db5
Version: c8755b29b58ec65be17bcb8c40763d2dcb1f1db5
 Create a notification for this product.
   Linux Linux Version: 6.7
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/mctp/mctp-i3c.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d8be54c35aee29d96d1350b1b6f153be4da37c07",
              "status": "affected",
              "version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
              "versionType": "git"
            },
            {
              "lessThan": "740bf9c9b715cc327d34b1e2d4ee79fcd4c47a56",
              "status": "affected",
              "version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
              "versionType": "git"
            },
            {
              "lessThan": "cf7ee25e70c6edfac4553d6b671e8b19db1d9573",
              "status": "affected",
              "version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/mctp/mctp-i3c.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.19",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13.7",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp i3c: handle NULL header address\n\ndaddr can be NULL if there is no neighbour table entry present,\nin that case the tx packet should be dropped.\n\nsaddr will usually be set by MCTP core, but check for NULL in case a\npacket is transmitted by a different protocol."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:23:52.726Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d8be54c35aee29d96d1350b1b6f153be4da37c07"
        },
        {
          "url": "https://git.kernel.org/stable/c/740bf9c9b715cc327d34b1e2d4ee79fcd4c47a56"
        },
        {
          "url": "https://git.kernel.org/stable/c/cf7ee25e70c6edfac4553d6b671e8b19db1d9573"
        }
      ],
      "title": "mctp i3c: handle NULL header address",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21903",
    "datePublished": "2025-04-01T15:40:45.262Z",
    "dateReserved": "2024-12-29T08:45:45.785Z",
    "dateUpdated": "2025-05-04T07:23:52.726Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21903\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-04-01T16:15:20.757\",\"lastModified\":\"2025-04-01T20:26:01.990\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmctp i3c: handle NULL header address\\n\\ndaddr can be NULL if there is no neighbour table entry present,\\nin that case the tx packet should be dropped.\\n\\nsaddr will usually be set by MCTP core, but check for NULL in case a\\npacket is transmitted by a different protocol.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/740bf9c9b715cc327d34b1e2d4ee79fcd4c47a56\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cf7ee25e70c6edfac4553d6b671e8b19db1d9573\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d8be54c35aee29d96d1350b1b6f153be4da37c07\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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.
  • 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.