{"id":21643,"date":"2026-09-12T04:31:27","date_gmt":"2026-09-11T20:31:27","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89721"},"modified":"2026-09-12T04:31:27","modified_gmt":"2026-09-11T20:31:27","slug":"cve-2026-89721","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89721","title":{"rendered":"CVE-2026-89721 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nphy: rockchip-samsung"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>phy: rockchip-samsung-dcphy: fix out-of-range max_register<\/p>\n<p>The PHY register block is 64KB, so with a register stride of 4 the<br \/>\nlast accessible register sits at offset 0xfffc. max_register names<br \/>\n0x10000, one register past the end of the mapping: dumping the<br \/>\nregisters through the regmap debugfs interface reads beyond the<br \/>\nioremapped region and oopses on the unmapped page. The oops fires<br \/>\nwith the regmap lock held, so later PHY operations deadlock.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>phy: rockchip-samsung-dcphy: fix out-of-range max_register<\/p>\n<p>The PHY register block is 64KB, so with a register stride of 4 the<br \/>\nlast<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21643","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21643","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=21643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}