{"id":25971,"date":"2026-09-18T04:32:10","date_gmt":"2026-09-17T20:32:10","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93114"},"modified":"2026-09-18T04:32:10","modified_gmt":"2026-09-17T20:32:10","slug":"cve-2026-93114","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93114","title":{"rendered":"CVE-2026-93114 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nplatform\/surface: acp"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>platform\/surface: acpi-notify: Check ACPI companion before use<\/p>\n<p>Since every platform driver can be forced to match a device that doesn&#8217;t<br \/>\nmatch its list of device IDs because of device_match_driver_override(),<br \/>\nplatform drivers that rely on the existence of a device&#8217;s ACPI companion<br \/>\nobject should verify its presence.<\/p>\n<p>san_probe() dereferences the result of ACPI_COMPANION() when installing<br \/>\nthe GSBUS address space handler, so force-binding the driver to a device<br \/>\nwithout an ACPI companion leads to a NULL pointer dereference.  The<br \/>\ndereference was introduced when the probe function was switched from<br \/>\nACPI_HANDLE() to ACPI_COMPANION().<\/p>\n<p>Check the ACPI companion against NULL and return -ENODEV when it is<br \/>\nmissing, like commit e4865a56d013 (&#8220;ACPI: driver: Check ACPI_COMPANION()<br \/>\nagainst NULL during probe&#8221;) does for the core ACPI platform drivers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>platform\/surface: acpi-notify: Check ACPI companion before use<\/p>\n<p>Since every platform driver can be forced to match a device that do<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25971","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25971","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=25971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}