CVE-2026-98157

EDAC/device_sysfs: Use kstrtouint() for poll_msec to prevent truncation

State: Published
Severity: Not scored
Published: Sep 25, 2026
Updated: Oct 19, 2026
Reserved: Sep 25, 2026

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e27e3dac651771fe3250f6305dee277bce29fc5d to before a60794ee3f453516ab3ed212ba0295ecf890bc8cAffected e27e3dac651771fe3250f6305dee277bce29fc5d to before f856511058c8cb470d6c6c7ce908870adcdc7dc6Affected e27e3dac651771fe3250f6305dee277bce29fc5d to before 656e2fe98ac452db4e5b8147d1f33b8c35b4ec4bAffected e27e3dac651771fe3250f6305dee277bce29fc5d to before 541fc6f733b32463cf23277637bb07e2aaa00b53Affected e27e3dac651771fe3250f6305dee277bce29fc5d to before ea01c061d839b520f385f112908de1c6e3391327Affected e27e3dac651771fe3250f6305dee277bce29fc5d to before 528052af901d6e6bbfa0e52362a70a58a5dd1e43Affected e27e3dac651771fe3250f6305dee277bce29fc5d to before 0e022ee4f8e0dc843ba4c80bb75408a7704279afAffected e27e3dac651771fe3250f6305dee277bce29fc5d to before 66cc9dec919dd63d8e4b3d386f7aed3ae684e645Affected
LinuxLinux	2.6.23Affected before 2.6.23Not affected 5.10.271 through 5.10.Not affected 5.15.222 through 5.15.Not affected 6.1.189 through 6.1.Not affected 6.6.158 through 6.6.Not affected 6.12.111 through 6.12.Not affected 6.18.53 through 6.18.Not affected 7.2.7 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

e27e3dac651771fe3250f6305dee277bce29fc5d to before a60794ee3f453516ab3ed212ba0295ecf890bc8cAffected
e27e3dac651771fe3250f6305dee277bce29fc5d to before f856511058c8cb470d6c6c7ce908870adcdc7dc6Affected
e27e3dac651771fe3250f6305dee277bce29fc5d to before 656e2fe98ac452db4e5b8147d1f33b8c35b4ec4bAffected
e27e3dac651771fe3250f6305dee277bce29fc5d to before 541fc6f733b32463cf23277637bb07e2aaa00b53Affected
e27e3dac651771fe3250f6305dee277bce29fc5d to before ea01c061d839b520f385f112908de1c6e3391327Affected
e27e3dac651771fe3250f6305dee277bce29fc5d to before 528052af901d6e6bbfa0e52362a70a58a5dd1e43Affected
e27e3dac651771fe3250f6305dee277bce29fc5d to before 0e022ee4f8e0dc843ba4c80bb75408a7704279afAffected
e27e3dac651771fe3250f6305dee277bce29fc5d to before 66cc9dec919dd63d8e4b3d386f7aed3ae684e645Affected

LinuxLinux

2.6.23Affected
before 2.6.23Not affected
5.10.271 through 5.10.*Not affected
5.15.222 through 5.15.*Not affected
6.1.189 through 6.1.*Not affected
6.6.158 through 6.6.*Not affected
6.12.111 through 6.12.*Not affected
6.18.53 through 6.18.*Not affected
7.2.7 through 7.2.*Not affected
7.3 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.