remoteproc: xlnx: Only access buffer information if IPI is buffered

{
  "id": "7b93b97205a8a25c751f7cd32f2f834a5116e68fd65856543aacbd15899a9086",
  "url": "https://osv.dev/vulnerability/CVE-2026-46016",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "remoteproc: xlnx: Only access buffer information if IPI is buffered",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: remoteproc: xlnx: Only access buffer information if IPI is buffered In the receive callback check if message is NULL to prevent possibility of crash by NULL pointer dereferencing.",
    "evidence": "osv:CVE-2026-46016",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.140",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.86",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.27",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-46016",
      "aliases": [
        "CVE-2026-46016"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5dfb28c257b7c515624ba6b163410ceada451bf2"
                },
                {
                  "fixed": "5d1451cb2cf6f3d9884d76035a1460aa9bb4b053"
                },
                {
                  "fixed": "7ddbf21116770b7011f2bb0a6056b7604b24c497"
                },
                {
                  "fixed": "06d0bed2552fd0dae27d374d4492a2b672e24eed"
                },
                {
                  "fixed": "8242579859a78c801bb626e9aa4823aca93e28e7"
                },
                {
                  "fixed": "38dd6ccfdfbbe865569a52fe1ba9fa1478f672e6"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46016.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.4.0"
                },
                {
                  "fixed": "6.6.140"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.86"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.27"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.0.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46016.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.695606769Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/06d0bed2552fd0dae27d374d4492a2b672e24eed",
        "https://git.kernel.org/stable/c/38dd6ccfdfbbe865569a52fe1ba9fa1478f672e6",
        "https://git.kernel.org/stable/c/5d1451cb2cf6f3d9884d76035a1460aa9bb4b053",
        "https://git.kernel.org/stable/c/7ddbf21116770b7011f2bb0a6056b7604b24c497",
        "https://git.kernel.org/stable/c/8242579859a78c801bb626e9aa4823aca93e28e7",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46016.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46016",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46016.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-46016",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489904,
  "published_at": "2026-05-27T12:56:17.97+00:00"
}