CVE-2026-92493

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92493", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-16T12:21:13.871Z", "datePublished": "2026-09-17T16:10:09.008Z", "dateUpdated": "2026-10-19T09:03:59.534Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:03:59.534Z"}, "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)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "versions": [{"version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0", "status": "affected", "versionType": "git"}, {"version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "ba6ce23d17db3d114adf13909a9002f1eedcf183", "status": "affected", "versionType": "git"}, {"version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "lessThan": "8d31bb1451643f328db0cea0e21e63ef54b4faf2", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0"}, {"url": "https://git.kernel.org/stable/c/ba6ce23d17db3d114adf13909a9002f1eedcf183"}, {"url": "https://git.kernel.org/stable/c/8d31bb1451643f328db0cea0e21e63ef54b4faf2"}], "title": "cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0", "status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "versionType": "git"}, {"lessThan": "ba6ce23d17db3d114adf13909a9002f1eedcf183", "status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "versionType": "git"}, {"lessThan": "8d31bb1451643f328db0cea0e21e63ef54b4faf2", "status": "affected", "version": "14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/cpufreq/amd-pstate-ut.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"lessThan": "6.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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)"}], "id": "CVE-2026-92493", "lastModified": "2026-10-19T09:19:39.570", "metrics": {}, "published": "2026-09-17T17:17:51.443", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "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"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015,baf5a7fd3f3e2f4297b42b249f4f4f63214f44c0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015,ba6ce23d17db3d114adf13909a9002f1eedcf183)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14eb1c96e3a3fd9cd377ac9af3c7a410f8bf1015,8d31bb1451643f328db0cea0e21e63ef54b4faf2)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T05:45:06.355591+00:00", "updated": "2026-09-19T13:15:16.790301+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}