{"id":24508,"date":"2026-09-16T20:32:24","date_gmt":"2026-09-16T12:32:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89821"},"modified":"2026-09-16T20:32:24","modified_gmt":"2026-09-16T12:32:24","slug":"cve-2026-89821","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89821","title":{"rendered":"CVE-2026-89821 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrm\/amd\/display: avoi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/amd\/display: avoid divide-by-zero in __is_lut_linear()<\/p>\n<p>__is_lut_linear() computes the expected value of each entry with<\/p>\n<p>\texpected = i * MAX_DRM_LUT_VALUE \/ (size &#8211; 1);<\/p>\n<p>If it is ever called with a single-entry LUT, size &#8211; 1 is zero and the<br \/>\nkernel takes a divide error (#DE). A LUT with fewer than two entries<br \/>\ncannot describe a linear mapping anyway, so return false early instead<br \/>\nof dividing by zero.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/amd\/display: avoid divide-by-zero in __is_lut_linear()<\/p>\n<p>__is_lut_linear() computes the expected value of each entry with<\/p>\n<p>\texpe<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24508","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24508","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=24508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}