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NVD / CVE Program· CNA Linux

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

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.20% (FIRST EPSS).
  • Fixed version: Linux Linux 33c683417232b9111e29458954529942137780a3, 4d60ffcdedfe2cdb68a1cde19bb292bc67451629, 7673167fac9323110973a3300637adba7d45de3a.

Low priority for now. Upgrade to Linux Linux 33c683417232b9111e29458954529942137780a3, 4d60ffcdedfe2cdb68a1cde19bb292bc67451629, 7673167fac9323110973a3300637adba7d45de3a or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

—No exploit Fix available
Published
Feb 4, 2026
Updated
Oct 30, 2026
EPSS
0.2% · 10th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

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  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.5affected
    • b5969abfa8b8ed43ebd93479d394f664bd4a5a87 and later · before 33c683417232b9111e29458954529942137780a3affected · git
    • b5969abfa8b8ed43ebd93479d394f664bd4a5a87 and later · before 7673167fac9323110973a3300637adba7d45de3aaffected · git
    • b5969abfa8b8ed43ebd93479d394f664bd4a5a87 and later · before 4d60ffcdedfe2cdb68a1cde19bb292bc67451629affected · git
    • b5969abfa8b8ed43ebd93479d394f664bd4a5a87 and later · before 81ed6e42d6e555dd978c9dd5e3f7c20cb121221baffected · git
    • b5969abfa8b8ed43ebd93479d394f664bd4a5a87 and later · before c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3affected · git
    • before 5.5not affected · semver
    • 6.1.191 and later · up to and including 6.1.*not affected · semver
    • 6.6.122 and later · up to and including 6.6.*not affected · semver
    • 6.12.68 and later · up to and including 6.12.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxfrom 0—
Debian:13linuxbefore 6.12.69-16.12.69-1
Debian:14linuxbefore 6.18.8-16.18.8-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

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Published before and after this one in the same product

  • ← EarlierCVE-2025-71194Feb 4, 2026 · btrfs: fix deadlock in wait_current_trans() due to ignored transaction type
    0Monitor
  • ← EarlierCVE-2025-71197Feb 4, 2026 · w1: therm: Fix off-by-one buffer overflow in alarms_store
    0Monitor
  • Later →CVE-2026-23050Feb 4, 2026 · pNFS: Fix a deadlock when returning a delegation during open()
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux33c683417232b9111e29458954529942137780a3Vendor (CNA)
Linux Linux4d60ffcdedfe2cdb68a1cde19bb292bc67451629Vendor (CNA)
Linux Linux7673167fac9323110973a3300637adba7d45de3aVendor (CNA)
Linux Linux81ed6e42d6e555dd978c9dd5e3f7c20cb121221bVendor (CNA)
Linux Linuxc34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3Vendor (CNA)
debian:linux6.12.69-1 · Debian:13Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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