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)

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/8d31bb1451643f328db0cea0e21e63ef54b4faf2
https://git.kernel.org/stable/c/ba6ce23d17db3d114adf13909a9002f1eedcf183
https://git.kernel.org/stable/c/baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0

Configurations

No configuration.

History

17 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 17:17

Updated : 2026-09-17 17:17

NVD link : CVE-2026-92493

Mitre link : CVE-2026-92493

CVE.ORG link : CVE-2026-92493

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-92493", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0", "versionType": "git"}, {"status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "ba6ce23d17db3d114adf13909a9002f1eedcf183", "versionType": "git"}, {"status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "8d31bb1451643f328db0cea0e21e63ef54b4faf2", "versionType": "git"}], "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"status": "unaffected", "version": "0", "lessThan": "6.1", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.52", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.6", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "defaultStatus": "affected"}]}], "published": "2026-09-17T17:17:51.443", "references": [{"url": "https://git.kernel.org/stable/c/8d31bb1451643f328db0cea0e21e63ef54b4faf2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ba6ce23d17db3d114adf13909a9002f1eedcf183", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "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)"}], "lastModified": "2026-09-17T17:17:51.443", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}