{"id":"CVE-2026-98892","title":"firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size","summary":"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 n…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4a754704698017ced0b657c92b468035faad00ed","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 28d65a0a46435d48b96b6943c518095dff1602a1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 890a9c3bf9dae90dcabded9d8e10c708a13779f7","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c0742f23ec13fb6f5e0cd884323467a6c127d3c2","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb77a50d1114c0c9e084176301a8e094d383edfa","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 56e7e64cdd0e7209a58c8ec66028d63387402919","Linux < 5.10.271","Linux < 5.15.222","Linux < 6.1.189","Linux < 6.6.158","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T11:37:52.692Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98892","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"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T13:24:55.577Z","slug":"CVE-2026-98892","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4a754704698017ced0b657c92b468035faad00ed`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 28d65a0a46435d48b96b6943c518095dff1602a1`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 890a9c3bf9dae90dcabded9d8e10c708a13779f7`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c0742f23ec13fb6f5e0cd884323467a6c127d3c2`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb77a50d1114c0c9e084176301a8e094d383edfa`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 56e7e64cdd0e7209a58c8ec66028d63387402919`\n- `Linux < 5.10.271`\n- `Linux < 5.15.222`\n- `Linux < 6.1.189`\n- `Linux < 6.6.158`\n- `Linux < 6.12.111`\n- `Linux < 6.18.53`\n- `Linux (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}