CVE-2022-50327
Vulnerability Summary
Timeline
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
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.03%• Percentile: 10%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•debian_linux
11.0
- linux•linux
≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < fdee7a0acc566c4194d40a501b8a1584e86cc208 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < ad1190744da9d812da55b76f2afce750afb0a3bd | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 2ecd629c788bbfb96be058edade2e934d3763eaf | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < b85f0e292f73f353eea915499604fbf50c8238b4 | ≥ a36a7fecfe6071732075ad5aa31196adce13181b, < 2437513a814b3e93bd02879740a8a06e52e2cf7d | 4.8
- linux•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
References (7)
- https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9
- https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208
- https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd
- https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf
- https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4
- https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html