Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Validate SENSOR_UPDATE payload size SENSOR_UPDATE carries one or more sensor readings after the fixed notification header. The parser derives the expected reading count from the sensor description, but it did not verify that the received payload contains those entries before parsing them. Reject truncated update notifications before reading the variable array.
References
- https://git.kernel.org/stable/c/1bbe431fc59704d012660647516f6f94ddd82564
- https://git.kernel.org/stable/c/32bc5496b48174dbca1f187f710955ee4d9527a1
- https://git.kernel.org/stable/c/767789a58ae0d65ec3028e5b5b4da82210355d00
- https://git.kernel.org/stable/c/87a72e75f7560ea45cd28870194eaa153dd19e75
- https://git.kernel.org/stable/c/c148ff2f5a168e0bc41d801efca6ee35a376cfcb
- https://git.kernel.org/stable/c/e543d60f966a5f5c92298720c2fd1810f85a6be3
FAQ
What is CVE-2026-98893?
CVE-2026-98893 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Validate SENSOR_UPDATE payload size SENSOR_UPDATE carries one or more sensor readings after the fixed notifica...
How severe is CVE-2026-98893?
CVSS scoring is not yet available for CVE-2026-98893. Check NVD for updates.
Is there a patch for CVE-2026-98893?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.