CVE-2022-50327

MEDIUM EPSS 4.2%
Published Sep 15, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥4.8  –  <5.4.297
linuxlinux_kernel*≥5.5  –  <5.10.241
linuxlinux_kernel*≥5.11  –  <5.15.190
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2
debiandebian_linux11.0any

References 7

  • git.kernel.org https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208
    Patch