CVE-2026-92493

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)

Package Linux Kernel
Published 2026-09-17
Last modified 2026-09-17
Patch available
Yes

Affected versions

Linux kernel versions 6.1 and later are affected. Fixed in 6.18.52, 7.2.6, 7.3-rc1 and their respective stable series.

Affected from
≥ 6.1
Fixed in
✓ 6.18.52 6.18.x ✓ 7.2.6 7.2.x ✓ 7.3-rc1

Frequently asked questions

  • What is CVE-2026-92493?

    CVE-2026-92493 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.1 onward and has been patched in 6.18.52, 7.2.6 and 7.3-rc1. CVE-2026-92493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-92493?

    Yes. CVE-2026-92493 has been patched. Fixed versions include 6.18.52, 7.2.6 and 7.3-rc1. If you are running Linux kernel 6.1 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-92493 actively exploited?

    No. CVE-2026-92493 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.