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Linux KernelOperating system · Linux

CVE-2025-37892

HIGH · 7.8 CVSS v3.1 Published 2025-05-20
Fix available
A fix is available. Upgrade to 5.4.293 / 5.10.237 or later.
See remediation →
80/100
Remediation priority · High
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: mtd: inftlcore: Add error check for inftl_read_oob() In INFTL_findwriteunit(), the return value of inftl_read_oob() need to be checked. A proper implementation can be found in INFTL_deleteblock(). The status will be set as SECTOR_IGNORE to break from the while-loop correctly if the inftl_read_oob() fails.

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

A detailed technical summary for this CVE is being prepared.

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:>= 2.6.18, < 5.4.293>= 5.5, < 5.10.237>= 5.11, < 5.15.181>= 5.16, < 6.1.135>= 6.2, < 6.6.88>= 6.7, < 6.12.24>= 6.13, < 6.13.12>= 6.14, < 6.14.3= 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
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 5.4.293 / 5.10.237 / 5.15.181 or later
Fixed in 5.4.2935.10.2375.15.181
Vendor patch git.kernel.org →
Recommended fix High confidence

Linux kernel >= 5.4.293, >= 5.10.237, >= 5.15.181, or >= 6.1.135 (or Debian 11 kernel update from security repos)

  1. 1. Check current kernel version with: uname -r
  2. 2. For Debian 11 (Bullseye), apply the latest kernel updates from Debian security repositories: apt update && apt upgrade linux-image-*
  3. 3. Alternatively, if using a distribution kernel, upgrade to version 5.4.293 or higher, 5.10.237 or higher, 5.15.181 or higher, or 6.1.135 or higher
  4. 4. After kernel upgrade, reboot the system to apply the changes: reboot
  5. 5. Verify the fix is applied by checking the kernel version and confirming inftl_read_oob error handling exists in the source code if building custom kernels
Caveat Kernel upgrades may require rebooting services; ensure compatibility with existing system configuration and installed modules before upgrading

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 $1,950. Get the upgrade done

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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-2025-37892 in production — separate from our analysis above.

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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
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