CVE-2026-98157

In the Linux kernel, the following vulnerability has been resolved: EDAC/device_sysfs: Use kstrtouint() for poll_msec to prevent truncation The poll_msec sysfs store file uses simple_strtoul() which accepts an unsigned long, but the target field (poll_msec) is unsigned int. On 64-bit systems, a value > UINT_MAX is silently truncated when stored. Fix the mismatch by using kstrtouint() instead. This rejects values larger than UINT_MAX at parse time, making truncation impossible. Also add a check for value < 1 to reject the 0-delay case, which would cause the poll work to spin without delay and consume 100% CPU.

• https://git.kernel.org/stable/c/0e022ee4f8e0dc843ba4c80bb75408a7704279afPatch
• https://git.kernel.org/stable/c/528052af901d6e6bbfa0e52362a70a58a5dd1e43Patch
• https://git.kernel.org/stable/c/541fc6f733b32463cf23277637bb07e2aaa00b53Patch
• https://git.kernel.org/stable/c/656e2fe98ac452db4e5b8147d1f33b8c35b4ec4bPatch
• https://git.kernel.org/stable/c/66cc9dec919dd63d8e4b3d386f7aed3ae684e645Patch
• https://git.kernel.org/stable/c/a60794ee3f453516ab3ed212ba0295ecf890bc8cPatch
• https://git.kernel.org/stable/c/ea01c061d839b520f385f112908de1c6e3391327Patch
• https://git.kernel.org/stable/c/f856511058c8cb470d6c6c7ce908870adcdc7dc6Patch

Published

Sep 25, 2026

Last Modified

Oct 20, 2026

Status

Analyzed

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