{"id":28659,"date":"2026-09-25T04:31:32","date_gmt":"2026-09-24T20:31:32","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97412"},"modified":"2026-09-25T04:31:32","modified_gmt":"2026-09-24T20:31:32","slug":"cve-2026-97412","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97412","title":{"rendered":"CVE-2026-97412 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: quiesce DMA"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>pds_core: quiesce DMA before freeing resources<\/p>\n<p>pdsc_teardown() frees DMA buffers but does not disable bus mastering,<br \/>\nleaving the device able to perform DMA after the buffers are freed.<br \/>\nThis can lead to use-after-free if the device writes to freed memory.<\/p>\n<p>Add pci_clear_master() to pdsc_teardown() to disable bus mastering<br \/>\nbefore freeing resources, ensuring all DMA is quiesced.<\/p>\n<p>Add pci_set_master() to pdsc_setup() to re-enable bus mastering,<br \/>\nwhich is needed for the firmware recovery path since pdsc_teardown()<br \/>\nnow disables it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>pds_core: quiesce DMA before freeing resources<\/p>\n<p>pdsc_teardown() frees DMA buffers but does not disable bus mastering,<br \/>\nleaving the d<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28659","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28659","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=28659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}