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Linux KernelOperating system · Linux

CVE-2025-37970

MEDIUM · 5.5 CVSS v3.1 Published 2025-05-20
Fix available
A fix is available. Upgrade to 5.4.294 / 5.10.238 or later.
See remediation →
57/100
Remediation priority · Elevated
Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
In the Linux kernel, the following vulnerability has been resolved: iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_fifo Prevent st_lsm6dsx_read_fifo from falling in an infinite loop in case pattern_len is equal to zero and the device FIFO is not empty.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-667

Shared resources are accessed without correct locking, so concurrent operations interleave into inconsistent — and sometimes exploitable — states, or deadlock the service outright. These bugs are subtle and timing-dependent. The fix is correct, consistent locking or atomic operations around every shared resource.

General guidance for the improper locking class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Linux KernelOperating system
Affected:>= 4.11, < 5.4.294>= 5.5, < 5.10.238>= 5.11, < 5.15.183>= 5.16, < 6.1.139>= 6.2, < 6.6.91>= 6.7, < 6.12.29>= 6.13, < 6.14.7= 6.15
Debian LinuxOperating system
Affected:= 11.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 5.4.294 / 5.10.238 / 5.15.183 or later
Fixed in 5.4.2945.10.2385.15.183
Vendor patch git.kernel.org →
Recommended fix High confidence

Upgrade to kernel version 5.4.294, 5.10.238, 5.15.183, or 6.1.139 (or later) depending on the desired kernel branch

  1. Identify the current running kernel version using `uname -r`
  2. Check if the current version is within an affected range: < 5.4.294, < 5.10.238, < 5.15.183, or < 6.1.139
  3. For Debian 11 systems, check available kernel packages via `apt-cache policy linux-image-*`
  4. Upgrade the kernel to a fixed version (5.4.294 or newer, 5.10.238 or newer, 5.15.183 or newer, or 6.1.139 or newer) using the distribution's package manager
  5. Reboot the system to load the patched kernel
  6. Verify the new kernel version is running with `uname -r` and confirm it is beyond the affected version range
Caveat Kernel upgrades may require rebuilding out-of-tree kernel modules; ensure compatible drivers are available for the target kernel version

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,600. Get the upgrade done

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-37970 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data