Unscored severity · published Oct 23, 2026
CVE-2026-98893
firmware: arm_scmi: Validate SENSOR_UPDATE payload size
–
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
e3811190acf85c63518fbddaa28bcbfab2baa58d before e543d60f966a5f5c92298720c2fd1810f85a6be3; e3811190acf85c63518fbddaa28bcbfab2baa58d before 87a72e75f7560ea45cd28870194eaa153dd19e75; e3811190acf85c63518fbddaa28bcbfab2baa58d before 1bbe431fc59704d012660647516f6f94ddd82564; e3811190acf85c63518fbddaa28bcbfab2baa58d before c148ff2f5a168e0bc41d801efca6ee35a376cfcb; e3811190acf85c63518fbddaa28bcbfab2baa58d before 767789a58ae0d65ec3028e5b5b4da82210355d00; e3811190acf85c63518fbddaa28bcbfab2baa58d before 32bc5496b48174dbca1f187f710955ee4d9527a1; +1 more · source: vendor