hwmon: (sht3x) Fix unaligned accesses

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80695
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:54 UTC
Updated2026-08-28 08:16:54 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: hwmon: (sht3x) Fix unaligned accesses Sashiko reports: In sht3x_update_client(), the 16-bit temperature and humidity values are extracted from a stack-allocated byte array using be16_to_cpup(). The pointers passed to this function are calculated as buf and buf + 3. Since the difference between the two pointers is an odd number of bytes, at least one of them is guaranteed to be at an unaligned offset. This will trigger an alignment fault on strict-alignment architectures such as ARMv5 or SPARC, resulting in a kernel panic. Fix the problem by using get_unaligned_be16() instead of be16_to_cpup(), and put_unaligned_be16() instead of cpu_to_be16().

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 7c84f7f80d6fcea36246b793d06c3555ca53ddcd 81529add4a2e3cca9240e0e2342973d62f88f02e git Not specified
CNA Linux Linux affected 7c84f7f80d6fcea36246b793d06c3555ca53ddcd c498adfd4c3e85306ccdc19b76e639bfc215f0e7 git Not specified
CNA Linux Linux affected 7c84f7f80d6fcea36246b793d06c3555ca53ddcd 1fb41650bc3e14d2a5ddb4bb25e96811e5afe881 git Not specified
CNA Linux Linux affected 7c84f7f80d6fcea36246b793d06c3555ca53ddcd f46d5ab43a572b84773015a76966f5da56fc1748 git Not specified
CNA Linux Linux affected 4.8 Not specified
CNA Linux Linux unaffected 4.8 semver Not specified
CNA Linux Linux unaffected 6.12.103 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.44 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.8 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f46d5ab43a572b84773015a76966f5da56fc1748 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/81529add4a2e3cca9240e0e2342973d62f88f02e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c498adfd4c3e85306ccdc19b76e639bfc215f0e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1fb41650bc3e14d2a5ddb4bb25e96811e5afe881 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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