CVE-2026-98892

firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size

CVE-2026-98892 is fixed in 11 products on 1 platform, first by DEBIAN-CVE-2026-98892, released October 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0019
8th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
kernel-64kb · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-default · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.90.1.150700.17.51.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-livepatch-SLE15-SP7_Update_24 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-source · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.90.1 SUSE-SU-2026:5091-1 Nov 7, 2026
linux · Debian 12.15 (bookworm) 6.1.190-1 DEBIAN-CVE-2026-98892 Oct 24, 2026
linux · Debian 13.5 (trixie) 6.12.111-1 DEBIAN-CVE-2026-98892 Oct 24, 2026
linux · Debian 14 7.2.6-1 DEBIAN-CVE-2026-98892 Oct 24, 2026

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