CVE-2022-50327

ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value

MEDIUM

5.5

CVSS Score

Published: September 15, 2025 at 02:49 PM UTC

Updated: June 17, 2026 at 05:23 AM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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 () ]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

11.0

Linux Kernel · Linux

95%

4.8 ≤ v < 5.10.2414.8 ≤ v < 5.15.1904.8 ≤ v < 5.4.2974.8 ≤ v < 6.0.164.8 ≤ v < 6.1.24.8 ≤ v < 6.25.11 ≤ v < 5.15.1905.16 ≤ v < 6.0.165.5 ≤ v < 5.10.2416.1 ≤ v < 6.1.24.8a36a7fecfe6071732075ad5aa31196adce13181b

Vendor states this is fixed in 2437513a814b3e93bd02879740a8a06e52e2cf7d (fixed)

Vendor states this is fixed in 2ecd629c788bbfb96be058edade2e934d3763eaf (fixed)

Vendor states this is fixed in 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 (fixed)

Vendor states this is fixed in ad1190744da9d812da55b76f2afce750afb0a3bd (fixed)

Vendor states this is fixed in b85f0e292f73f353eea915499604fbf50c8238b4 (fixed)

Vendor states this is fixed in fdee7a0acc566c4194d40a501b8a1584e86cc208 (fixed)

Vendor states this is fixed in 4.8 (unaffected)

Vendor states this is fixed in 5.10.241 (unaffected)

Vendor states this is fixed in 5.15.190 (unaffected)

Vendor states this is fixed in 5.4.297 (unaffected)

Vendor states this is fixed in 6.0.16 (unaffected)

Vendor states this is fixed in 6.1.2 (unaffected)