CVE-2026-80695

Kernel panic via unaligned sht3x sensor reads

Published Aug 28, 2026 · Updated Aug 28, 2026

Unaligned access in the sht3x hardware-monitoring driver allows local users to panic the kernel by reading sensor data. In sht3x_update_client(), be16_to_cpup() reads 16-bit values from buf and buf + 3 even though at least one pointer is not two-byte aligned. The crash occurs on strict-alignment architectures such as ARMv5 or SPARC when an SHT3x sensor is present and its temperature or humidity data is read.

CVSS severityUnavailable
Unscored
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unaligned access in the sht3x hardware-monitoring driver allows local users to panic the kernel by reading sensor data. In sht3x_update_client(), be16_to_cpup() reads 16-bit values from buf and buf + 3 even though at least one pointer is not two-byte aligned. The crash occurs on strict-alignment architectures such as ARMv5 or SPARC when an SHT3x sensor is present and its temperature or humidity data is read.

The record

CVE
CVE-2026-80695
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499.004
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.8
  2. Affected versionversion=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <1fb41650bc3e14d2a5ddb4bb25e96811e5afe881
  3. Affected versionversion=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <81529add4a2e3cca9240e0e2342973d62f88f02e
  4. Affected versionversion=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <c498adfd4c3e85306ccdc19b76e639bfc215f0e7
  5. Affected versionversion=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <f46d5ab43a572b84773015a76966f5da56fc1748

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

The Linux Kernel Organization · Linuxversion=4.8; version=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <1fb41650bc3e14d2a5ddb4bb25e96811e5afe881; version=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <81529add4a2e3cca9240e0e2342973d62f88f02e; version=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <c498adfd4c3e85306ccdc19b76e639bfc215f0e7; version=7c84f7f80d6fcea36246b793d06c3555ca53ddcd <f46d5ab43a572b84773015a76966f5da56fc1748

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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