CVE-2026-98892
Published Oct 23, 2026
Description
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.
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References
Other References
https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1
https://git.kernel.org/stable/c/4a754704698017ced0b657c92b468035faad00ed
https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919
https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7
https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216
https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2
https://git.kernel.org/stable/c/cb77a50d1114c0c9e084176301a8e094d383edfa
Frequently Asked Questions
What is CVE-2026-98892? +
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.
How do I check if I'm vulnerable to CVE-2026-98892? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.