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  4. CVE 2026 23260 regmap maple free entry on masstoregfp failure
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-23260

regmap: maple: free entry on mas_store_gfp() failureCVE-2026-23260

Answer in brief

CVE-2026-23260 records a Unknown severity vulnerability in regmap: maple: free entry on mas_store_gfp() failure. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Mar 18, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=f033c26de5a5734625d2dd1dc196745fae186f1b <d61171cf097156030142643942c217759a9cc806 || >=f033c26de5a5734625d2dd1dc196745fae186f1b <811b45e2d795d955bb7fd9c816b40036f4fde350 || >=f033c26de5a5734625d2dd1dc196745fae186f1b <f08f2d2907675926ac5657b25f86d921f269602a || >=f033c26de5a5734625d2dd1dc196745fae186f1b <f3f380ce6b3d5c9805c7e0b3d5bc28d9ec41e2e8d61171cf097156030142643942c217759a9cc806, 811b45e2d795d955bb7fd9c816b40036f4fde350, f08f2d2907675926ac5657b25f86d921f269602a, f3f380ce6b3d5c9805c7e0b3d5bc28d9ec41e2e8
Linux/Linuxgeneric6.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to d61171cf097156030142643942c217759a9cc806 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Mar 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: regmap: maple: free entry on mas_store_gfp() failure regcache_maple_write() allocates a new block ('entry') to merge adjacent ranges and then stores it with mas_store_gfp(). When mas_store_gfp() fails, the new 'entry' remains allocated and is never freed, leaking memory. Free 'entry' on the failure path; on success continue freeing the replaced neighbor blocks ('lower', 'upper').

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
4 linked sources
Open source record