Riskcovery

CVE-2026-92493

cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active

State
Published
Severity
Not scored
Published
Sep 17, 2026
Updated
Oct 19, 2026
Reserved
Sep 16, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active

The crash issue may occur when modprobe amd_pstate_ut on intel platform.

amd_pstate_ut: 1 amd_pstate_ut_acpi_cpc_valid success! amd_pstate_ut: 2 amd_pstate_ut_check_enabled success! BUG: kernel NULL pointer dereference, address: 0000000000000080 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] SMP NOPTI CPU: 0 PID: 20300 Comm: modprobe Kdump: loaded Tainted: G O 6.6.0-0010.rc1.ctl4.x86_64 #1 Hardware name: FiberHome R2200 V5/Xeon Boards, BIOS 3.1a 02/24/2020 RIP: 0010:amd_pstate_ut_check_perf+0x141/0x280 [amd_pstate_ut] Call Trace: <TASK> amd_pstate_ut_init+0x1b/0xff0 [amd_pstate_ut] ? __pfx_amd_pstate_ut_init+0x10/0x10 [amd_pstate_ut] do_one_initcall+0x42/0x2e0 ? kmalloc_trace+0x26/0x90 do_init_module+0x60/0x240 __se_sys_init_module+0x185/0x1c0 do_syscall_64+0x62/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e </TASK>

Add state detection to amd pstate driver to prevent amd_pstate_ut driver from testing on non-AMD platforms.

(ML: adjust title)

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015 to before baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0Affected
  • 14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015 to before ba6ce23d17db3d114adf13909a9002f1eedcf183Affected
  • 14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015 to before 8d31bb1451643f328db0cea0e21e63ef54b4faf2Affected
LinuxLinux
  • 6.1Affected
  • before 6.1Not affected
  • 6.18.52 through 6.18.*Not affected
  • 7.2.6 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.