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 products
linux: linux kernel; debian: debian linux
References7
- git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d Patch
- git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf Patch
- git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 Patch
- git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd Patch
- git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4 Patch
- git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 5 · as of 8 November 2026
- CWE
- CWE-476
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