{"id":25601,"date":"2026-09-18T04:31:37","date_gmt":"2026-09-17T20:31:37","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90192"},"modified":"2026-09-18T04:31:37","modified_gmt":"2026-09-17T20:31:37","slug":"cve-2026-90192","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90192","title":{"rendered":"CVE-2026-90192 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: qcom-cpucp:"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mailbox: qcom-cpucp: handle NULL data in send_data callback<\/p>\n<p>mailbox_clear_channel() calls mbox_send_message() with NULL data to<br \/>\nnotify the remote side that the RX channel has been cleared.<br \/>\nqcom_cpucp_mbox_send_data() blindly dereferenced the data pointer,<br \/>\ncausing a NULL pointer dereference kernel panic when invoked from<br \/>\nthis path under PREEMPT_RT.<\/p>\n<p>Add an explicit NULL check and return early without writing to the<br \/>\nTX register, which is the correct behaviour for a channel-clear<br \/>\nnotification.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mailbox: qcom-cpucp: handle NULL data in send_data callback<\/p>\n<p>mailbox_clear_channel() calls mbox_send_message() with NULL data to<br \/>\nno<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25601","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25601","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=25601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}