Updated: 2026-01-19 02:26:46.362458
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 () ]
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 5.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Released | CLSA-2025:1760546935 | 2025-10-15 20:24:08 | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Needs Triage | 2025-09-30 13:42:25 | ||
| CentOS 8.5 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Needs Triage | 2025-09-30 13:42:24 | ||
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Ignored | 2026-01-19 16:46:52 | This flaw is a NULL‑pointer dereference in the ACPI processor‑idle path, yielding only a local d... | |
| Ubuntu 20.04 ELS | linux | 5.4.0 | 5.5 | MEDIUM | Ignored | 2026-01-16 09:30:41 | This issue is a local-only NULL pointer dereference in the kernel’s ACPI processor idle path, yiel... |