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CVE-2026-98892

firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 4a754704698017ced0b657c92b468035faad00ed; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 28d65a0a46435d48b96b6943c518095dff1602a1; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 890a9c3bf9dae90dcabded9d8e10c708a13779f7; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before c0742f23ec13fb6f5e0cd884323467a6c127d3c2; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cb77a50d1114c0c9e084176301a8e094d383edfa; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 56e7e64cdd0e7209a58c8ec66028d63387402919; affected 0 before 5.10.271; affected 0 before 5.15.222; affected 0 before 6.1.189; affected 0 before 6.6.158; affected 0 before 6.12.111; affected 0 before 6.18.53
Linux / Linuxunaffected 5.10.271 through 5.10.*; unaffected 5.15.222 through 5.15.*; unaffected 6.1.189 through 6.1.*; unaffected 6.6.158 through 6.6.*; unaffected 6.12.111 through 6.12.*; unaffected 6.18.53 through 6.18.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References