{"id":"CVE-2026-92493","revision":"b826d7ce3dba4f2ea6b2edca50963ef2","records":[{"revision":"b826d7ce3dba4f2ea6b2edca50963ef2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-92493","aliases":[],"title":"cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active\n\nThe crash issue may occur when modprobe amd_pstate_ut on intel platform.\n\n   amd_pstate_ut: 1    amd_pstate_ut_acpi_cpc_valid  success!\n   amd_pstate_ut: 2    amd_pstate_ut_check_enabled   success!\n   BUG: kernel NULL pointer dereference, address: 0000000000000080\n   #PF: supervisor read access in kernel mode\n   #PF: error_code(0x0000) - not-present page\n   PGD 0 P4D 0\n   Oops: 0000 [#1] SMP NOPTI\n   CPU: 0 PID: 20300 Comm: modprobe\n   Kdump: loaded Tainted: G O 6.6.0-0010.rc1.ctl4.x86_64 #1\n   Hardware name: FiberHome R2200 V5/Xeon Boards, BIOS 3.1a 02/24/2020\n   RIP: 0010:amd_pstate_ut_check_perf+0x141/0x280 [amd_pstate_ut]\n   Call Trace:\n    <TASK>\n    amd_pstate_ut_init+0x1b/0xff0 [amd_pstate_ut]\n    ? __pfx_amd_pstate_ut_init+0x10/0x10 [amd_pstate_ut]\n    do_one_initcall+0x42/0x2e0\n    ? kmalloc_trace+0x26/0x90\n    do_init_module+0x60/0x240\n    __se_sys_init_module+0x185/0x1c0\n    do_syscall_64+0x62/0x190\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n    </TASK>\n\nAdd state detection to amd pstate driver to prevent amd_pstate_ut driver\nfrom testing on non-AMD platforms.\n\n(ML: adjust title)","state":0,"publishedAt":"2026-09-17T16:10:09.008+00:00","modifiedAt":"2026-10-19T09:03:59.534+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/cpufreq/amd-pstate-ut.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015\",\n                            \"lessThan\": \"baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015\",\n                            \"lessThan\": \"ba6ce23d17db3d114adf13909a9002f1eedcf183\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015\",\n                            \"lessThan\": \"8d31bb1451643f328db0cea0e21e63ef54b4faf2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/cpufreq/amd-pstate-ut.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0","https://git.kernel.org/stable/c/ba6ce23d17db3d114adf13909a9002f1eedcf183","https://git.kernel.org/stable/c/8d31bb1451643f328db0cea0e21e63ef54b4faf2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-92493","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-92493","identifiers":["CVE-2026-92493"]},"retained":false,"historicalAffected":[]}],"coverage":[]}