iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas()

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Summary

CVECVE-2026-43476
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-13 16:16:50 UTC
Updated2026-06-26 20:18:11 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() sizeof(num) evaluates to sizeof(size_t) (8 bytes on 64-bit) instead of the intended __be32 element size (4 bytes). Use sizeof(*meas) to correctly match the buffer element type.

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: 0.000130000 probability, percentile 0.025110000 (date 2026-05-28)

Problem Types: NVD-CWE-noinfo

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 9aff2e9c2927ecd9652872a43a0725f101128104 git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 08881d82f94deaa51800360029908863e5c4c39d git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 dcdf1e92674efb6692f4ebe189e0aa9fde23a541 git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 2a4d111a6a34afb8bb4f118009e7728ed2ec7e10 git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 90e978ace598567e6e30de79805bddf37cf892ac git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 165f12b40901c6a7aca15796da239726ddcdc5ad git Not specified
CNA Linux Linux affected 8f3f130852785dac0759843835ca97c3bacc2b10 216345f98cae7fcc84f49728c67478ac00321c87 git Not specified
CNA Linux Linux affected 5.14 Not specified
CNA Linux Linux unaffected 5.14 semver Not specified
CNA Linux Linux unaffected 5.15.203 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.130 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.19 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.9 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/9aff2e9c2927ecd9652872a43a0725f101128104 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/08881d82f94deaa51800360029908863e5c4c39d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2a4d111a6a34afb8bb4f118009e7728ed2ec7e10 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/dcdf1e92674efb6692f4ebe189e0aa9fde23a541 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/90e978ace598567e6e30de79805bddf37cf892ac 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/216345f98cae7fcc84f49728c67478ac00321c87 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/165f12b40901c6a7aca15796da239726ddcdc5ad 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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