VulnerabilityPublished 4 Feb 2026Updated 30 Oct 2026

CVE-2025-71198: Linux kernel · iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection

Source GCVE Database

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Authoritative record:CVE-2025-71198

Not known to be exploited · fixed in c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3 : update Linux kernel when convenient.

Data as of 30 Oct 2026, 16:33 UTC

Severity

Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Patch: Available – fixed in c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3, 7673167fac9323110973a3300637adba7d45de3a, 81ed6e42d6e555dd978c9dd5e3f7c20cb121221b +2

Exploitation evidence

Disclosed: evidence found.
CVE published 4 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

ghsa-ph76-p2v9-4hmx

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3	Fixed in c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3
LinuxLinux	Affected ≥ b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 7673167fac9323110973a3300637adba7d45de3a	Fixed in 7673167fac9323110973a3300637adba7d45de3a
LinuxLinux	Affected ≥ b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 81ed6e42d6e555dd978c9dd5e3f7c20cb121221b	Fixed in 81ed6e42d6e555dd978c9dd5e3f7c20cb121221b
LinuxLinux	Affected ≥ b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 33c683417232b9111e29458954529942137780a3	Fixed in 33c683417232b9111e29458954529942137780a3
LinuxLinux	Affected ≥ b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 4d60ffcdedfe2cdb68a1cde19bb292bc67451629	Fixed in 4d60ffcdedfe2cdb68a1cde19bb292bc67451629
LinuxLinux	Affected =5.5	Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection The st_lsm6dsx_acc_channels array of struct iio_chan_spec has a non-NULL event_spec field, indicating support for IIO events. However, event detection is not supported for all sensors, and if userspace tries to configure accelerometer wakeup events on a sensor device that does not support them (e.g. LSM6DS0), st_lsm6dsx_write_event() dereferences a NULL pointer when trying to write to the wakeup register. Define an additional struct iio_chan_spec array whose members have a NULL event_spec field, and use this array instead of st_lsm6dsx_acc_channels for sensors without event detection capability.

References

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