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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98157
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:47 UTC
Updated2026-09-25 11:17:47 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e27e3dac651771fe3250f6305dee277bce29fc5d ea01c061d839b520f385f112908de1c6e3391327 git Not specified
CNA Linux Linux affected e27e3dac651771fe3250f6305dee277bce29fc5d 528052af901d6e6bbfa0e52362a70a58a5dd1e43 git Not specified
CNA Linux Linux affected e27e3dac651771fe3250f6305dee277bce29fc5d 0e022ee4f8e0dc843ba4c80bb75408a7704279af git Not specified
CNA Linux Linux affected e27e3dac651771fe3250f6305dee277bce29fc5d 66cc9dec919dd63d8e4b3d386f7aed3ae684e645 git Not specified
CNA Linux Linux affected 2.6.23 Not specified
CNA Linux Linux unaffected 2.6.23 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0e022ee4f8e0dc843ba4c80bb75408a7704279af 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/528052af901d6e6bbfa0e52362a70a58a5dd1e43 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ea01c061d839b520f385f112908de1c6e3391327 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/66cc9dec919dd63d8e4b3d386f7aed3ae684e645 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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