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  4. CVE 2022 50327 acpi processor idle check acpifetchacpidev return
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Back to active CVEs
Medium · CVSS 5.5CVE-2022-50327

ACPI: processor: idle: Check acpi_fetch_acpi_dev() return valueCVE-2022-50327

Answer in brief

CVE-2022-50327 records a Medium severity (CVSS 5.5) vulnerability in ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value. 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 Sep 15, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-476
Source
CVE List V5
Source checked
Nov 5, 2026
References
7 linked sources
Open source record

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. 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.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=a36a7fecfe6071732075ad5aa31196adce13181b <8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 || >=a36a7fecfe6071732075ad5aa31196adce13181b <fdee7a0acc566c4194d40a501b8a1584e86cc208 || >=a36a7fecfe6071732075ad5aa31196adce13181b <ad1190744da9d812da55b76f2afce750afb0a3bd || >=a36a7fecfe6071732075ad5aa31196adce13181b <2ecd629c788bbfb96be058edade2e934d3763eaf || >=a36a7fecfe6071732075ad5aa31196adce13181b <b85f0e292f73f353eea915499604fbf50c8238b4 || >=a36a7fecfe6071732075ad5aa31196adce13181b <2437513a814b3e93bd02879740a8a06e52e2cf7d8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9, fdee7a0acc566c4194d40a501b8a1584e86cc208, ad1190744da9d812da55b76f2afce750afb0a3bd, 2ecd629c788bbfb96be058edade2e934d3763eaf, b85f0e292f73f353eea915499604fbf50c8238b4, 2437513a814b3e93bd02879740a8a06e52e2cf7d
Linux/Linuxgeneric4.8Not 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 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 15, 2025

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would cause a NULL pointer dereference to occur in acpi_device_hid(). [ rjw: Subject and changelog edits, added empty line after if () ]

Quoted source text, attributed separately from HOL analysis.