{"id":24501,"date":"2026-09-16T20:32:24","date_gmt":"2026-09-16T12:32:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89814"},"modified":"2026-09-16T20:32:24","modified_gmt":"2026-09-16T12:32:24","slug":"cve-2026-89814","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89814","title":{"rendered":"CVE-2026-89814 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrm\/amdgpu: clamp the"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/amdgpu: clamp the isolation index for rings outside a partition<\/p>\n<p>adev-&gt;isolation[] has one slot per partition, but a ring that is not<br \/>\nassigned to one keeps AMDGPU_XCP_NO_PARTITION, which is ~0, so indexing<br \/>\nthe array with it is out of bounds. SDMA submissions hit this on both<br \/>\nthe isolation enforcement and the VM flush path and trip UBSAN.<\/p>\n<p>Fall back to the first slot the way the cleaner shader path already<br \/>\ndoes, and stop taking the address before the ring type check that makes<br \/>\nit relevant.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/amdgpu: clamp the isolation index for rings outside a partition<\/p>\n<p>adev-&gt;isolation[] has one slot per partition, but a ring that <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24501","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24501","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=24501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}