ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value
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 () ]
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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 () ]
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d
- https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf
- https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9
- https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd
- https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4
- https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50327.json
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-50327