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P5

CVE-2025-40193: Linux 3.9

CVE-2025-40193. EPSS 0.00203 (percentile 0.09699), scored 19-Oct-2026.

Affected technology

Linux · b6c7e873daf765e41233b9752083b66442703b7a to before f40405ccfb87b71175f2d5d004c0b8a0aebcc2cf, b6c7e873daf765e41233b9752083b66442703b7a to before 151bd88859474cdaccc1e4c8b21fbf72dbba2ab4, b6c7e873daf765e41233b9752083b66442703b7a to before d381de7fd4cdc928ede96987dc64b133e6480dd6, b6c7e873daf765e41233b9752083b66442703b7a to before a0c2c36d864ef3676b05cfd8c58b72ee3214cb1a, b6c7e873daf765e41233b9752083b66442703b7a to before 5d5f08fd0cd970184376bee07d59f635c8403f63
Linux

Linux · 3.9
Linux

Component: Not specified by the source
File: arch/xtensa/platforms/iss/simdisk.c

What an attacker can do

Size check in proc_write_simdisk A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash.

Published

CCR priority
0.1 /100 (P5)
EPSS
0.00203 · percentile 0.09699 · 2026-10-19
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40193.html