{"id":33279,"date":"2026-10-06T20:31:40","date_gmt":"2026-10-06T12:31:40","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98210"},"modified":"2026-10-06T20:31:40","modified_gmt":"2026-10-06T12:31:40","slug":"cve-2026-98210","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98210","title":{"rendered":"CVE-2026-98210 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mxcmmc: cancel d"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mmc: mxcmmc: cancel data work and watchdog on remove<\/p>\n<p>mxcmci_remove() frees the host through the devm tail, but neither it nor<br \/>\nmmc_remove_host() drains the driver&#8217;s own asynchronous state.<br \/>\nhost-&gt;watchdog, a 10 s timer armed on the DMA path in mxcmci_setup_data(),<br \/>\nis deleted only by the DMA- and IRQ-complete paths, which the remove path<br \/>\ndoes not explicitly drain; it can therefore fire after the host is freed<br \/>\nand dereference it in mxcmci_watchdog().  host-&gt;datawork, armed from the<br \/>\nIRQ handler on the PIO path, is not cancelled by the remove path either.<\/p>\n<p>Free the devm-registered IRQ, then cancel datawork and delete the watchdog<br \/>\nin mxcmci_remove(), before dma_release_channel().  Freeing the IRQ first<br \/>\nkeeps a trailing handler from re-arming datawork between the cancel and<br \/>\nthe host free.  Both callbacks are non-self-rearming.<\/p>\n<p>This issue was found by an in-house static analysis tool.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mmc: mxcmmc: cancel data work and watchdog on remove<\/p>\n<p>mxcmci_remove() frees the host through the devm tail, but neither it nor<br \/>\nmmc_<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33279","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33279","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=33279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}