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CVE-2025-40193
Published: Nov 12, 2025
Modified: May 11, 2026
PUBLISHED
Description
In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in proc_write_simdisk A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 ("netdevsim: prevent bad user input in nsim_dev_health_break_write()")
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected b6c7e873daf765e41233b9752083b66442703b7a - < f40405ccfb87b71175f2d5d004c0b8a0aebcc2cfaffected b6c7e873daf765e41233b9752083b66442703b7a - < 151bd88859474cdaccc1e4c8b21fbf72dbba2ab4affected b6c7e873daf765e41233b9752083b66442703b7a - < d381de7fd4cdc928ede96987dc64b133e6480dd6affected b6c7e873daf765e41233b9752083b66442703b7a - < a0c2c36d864ef3676b05cfd8c58b72ee3214cb1aaffected b6c7e873daf765e41233b9752083b66442703b7a - < 5d5f08fd0cd970184376bee07d59f635c8403f63 |
Linux | Linux | affected 3.9unaffected 0 - < 3.9unaffected 6.1.157 - <= 6.1.*unaffected 6.6.113 - <= 6.6.*unaffected 6.12.54 - <= 6.12.*+2 more versions |
References
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