{"id":25862,"date":"2026-09-18T04:31:59","date_gmt":"2026-09-17T20:31:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92493"},"modified":"2026-09-18T04:31:59","modified_gmt":"2026-09-17T20:31:59","slug":"cve-2026-92493","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92493","title":{"rendered":"CVE-2026-92493 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: amd-pstate-u"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active<\/p>\n<p>The crash issue may occur when modprobe amd_pstate_ut on intel platform.<\/p>\n<p>   amd_pstate_ut: 1    amd_pstate_ut_acpi_cpc_valid  success!<br \/>\n   amd_pstate_ut: 2    amd_pstate_ut_check_enabled   success!<br \/>\n   BUG: kernel NULL pointer dereference, address: 0000000000000080<br \/>\n   #PF: supervisor read access in kernel mode<br \/>\n   #PF: error_code(0x0000) &#8211; not-present page<br \/>\n   PGD 0 P4D 0<br \/>\n   Oops: 0000 [#1] SMP NOPTI<br \/>\n   CPU: 0 PID: 20300 Comm: modprobe<br \/>\n   Kdump: loaded Tainted: G O 6.6.0-0010.rc1.ctl4.x86_64 #1<br \/>\n   Hardware name: FiberHome R2200 V5\/Xeon Boards, BIOS 3.1a 02\/24\/2020<br \/>\n   RIP: 0010:amd_pstate_ut_check_perf+0x141\/0x280 [amd_pstate_ut]<br \/>\n   Call Trace:<\/p>\n<p>    amd_pstate_ut_init+0x1b\/0xff0 [amd_pstate_ut]<br \/>\n    ? __pfx_amd_pstate_ut_init+0x10\/0x10 [amd_pstate_ut]<br \/>\n    do_one_initcall+0x42\/0x2e0<br \/>\n    ? kmalloc_trace+0x26\/0x90<br \/>\n    do_init_module+0x60\/0x240<br \/>\n    __se_sys_init_module+0x185\/0x1c0<br \/>\n    do_syscall_64+0x62\/0x190<br \/>\n    entry_SYSCALL_64_after_hwframe+0x76\/0x7e<\/p>\n<p>Add state detection to amd pstate driver to prevent amd_pstate_ut driver<br \/>\nfrom testing on non-AMD platforms.<\/p>\n<p>(ML: adjust title)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active<\/p>\n<p>The crash issue may occur when modprobe amd_pstate_ut on i<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25862","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}