iio: accel: adxl380: Avoid reading more entries than present in FIFO

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Summary

CVECVE-2026-43307
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 14:16:38 UTC
Updated2026-05-11 08:16:09 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: iio: accel: adxl380: Avoid reading more entries than present in FIFO The interrupt handler reads FIFO entries in batches of N samples, where N is the number of scan elements that have been enabled. However, the sensor fills the FIFO one sample at a time, even when more than one channel is enabled. Therefore,the number of entries reported by the FIFO status registers may not be a multiple of N; if this number is not a multiple, the number of entries read from the FIFO may exceed the number of entries actually present. To fix the above issue, round down the number of FIFO entries read from the status registers so that it is always a multiple of N.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000180000 probability, percentile 0.047390000 (date 2026-05-10)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected df36de13677a0ebd3ab31dd2c603f9eafdf8de7d a40f316085985f916ba1599fc303fdbc6a078e86 git Not specified
CNA Linux Linux affected df36de13677a0ebd3ab31dd2c603f9eafdf8de7d a8e88edfd69df7b63c882aa53e61e7c078806ad7 git Not specified
CNA Linux Linux affected df36de13677a0ebd3ab31dd2c603f9eafdf8de7d f42ddb2945ae4ce2b6f1c2e7aae9f14455a734d3 git Not specified
CNA Linux Linux affected df36de13677a0ebd3ab31dd2c603f9eafdf8de7d c1b14015224cfcccd5356333763f2f4f401bd810 git Not specified
CNA Linux Linux affected 6.12 Not specified
CNA Linux Linux unaffected 6.12 semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/a8e88edfd69df7b63c882aa53e61e7c078806ad7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f42ddb2945ae4ce2b6f1c2e7aae9f14455a734d3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c1b14015224cfcccd5356333763f2f4f401bd810 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a40f316085985f916ba1599fc303fdbc6a078e86 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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