Unscored severity · published Oct 23, 2026
CVE-2026-98892
firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size
–
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
585dfab3fb80e67b3a54790b3d5ef2991feb3950 before 4a754704698017ced0b657c92b468035faad00ed; 585dfab3fb80e67b3a54790b3d5ef2991feb3950 before 28d65a0a46435d48b96b6943c518095dff1602a1; 585dfab3fb80e67b3a54790b3d5ef2991feb3950 before 890a9c3bf9dae90dcabded9d8e10c708a13779f7; 585dfab3fb80e67b3a54790b3d5ef2991feb3950 before c0742f23ec13fb6f5e0cd884323467a6c127d3c2; 585dfab3fb80e67b3a54790b3d5ef2991feb3950 before bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216; 585dfab3fb80e67b3a54790b3d5ef2991feb3950 before cb77a50d1114c0c9e084176301a8e094d383edfa; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-98892
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-98892
git.kernel.org
https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1
git.kernel.org
https://git.kernel.org/stable/c/4a754704698017ced0b657c92b468035faad00ed
git.kernel.org
https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919
git.kernel.org
https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7
git.kernel.org
https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216
git.kernel.org
https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2
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