5.5

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

Analyzed
AliasesUBUNTU-CVE-2022-50327DEBIAN-CVE-2022-50327
Published 15-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50327 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 37 · Related 34
DLA-4327-1RHSA-2023:6583RHSA-2024:3138SUSE-SU-2025:4111-1SUSE-SU-2025:4135-1SUSE-SU-2025:4139-1

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 () ]

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.15.0-163.173
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < fdee7a0acc566c4194d40a501b8a1584e86cc208 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < ad1190744da9d812da55b76f2afce750afb0a3bd | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 2ecd629c788bbfb96be058edade2e934d3763eaf | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < b85f0e292f73f353eea915499604fbf50c8238b4 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 2437513a814b3e93bd02879740a8a06e52e2cf7d | 4.8
  • linux_kernel≥ 4.8, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2

3 vendors · 128 products

References

21 links
Show all 21 references