{"id":28693,"date":"2026-09-25T04:31:35","date_gmt":"2026-09-24T20:31:35","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97446"},"modified":"2026-09-25T04:31:35","modified_gmt":"2026-09-24T20:31:35","slug":"cve-2026-97446","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97446","title":{"rendered":"CVE-2026-97446 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix NULL poin"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ACPICA: Fix NULL pointer dereference in acpi_ns_custom_package()<\/p>\n<p>acpi_ns_custom_package() unconditionally dereferences the first element<br \/>\nof the package to read the _BIX version number, without checking for<br \/>\nNULL:<\/p>\n<p>    if ((*Elements)-&gt;Common.Type != ACPI_TYPE_INTEGER)<\/p>\n<p>When firmware returns a _BIX package whose first element is an<br \/>\nunresolvable reference, ACPICA evaluates that entry to NULL.<br \/>\nacpi_ns_remove_null_elements() does not strip NULL entries for<br \/>\nACPI_PTYPE_CUSTOM packages (fixed-position format would break if<br \/>\nelements were shifted), so acpi_ns_custom_package() sees the NULL<br \/>\nand causes a crash.<\/p>\n<p>Add a NULL check for the first element (version field) before<br \/>\ndereferencing it. The caller then receives AE_AML_OPERAND_TYPE<br \/>\ninstead of crashing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ACPICA: Fix NULL pointer dereference in acpi_ns_custom_package()<\/p>\n<p>acpi_ns_custom_package() unconditionally dereferences the first e<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28693","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28693","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=28693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}