CVE-2022-50327
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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 () ]
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7dPatch
- https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eafPatch
- https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9Patch
- https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bdPatch
- https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4Patch
- https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlAdvisory