{"id":25836,"date":"2026-09-18T04:31:57","date_gmt":"2026-09-17T20:31:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90427"},"modified":"2026-09-18T04:31:57","modified_gmt":"2026-09-17T20:31:57","slug":"cve-2026-90427","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90427","title":{"rendered":"CVE-2026-90427 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\niommu\/tegra241-cmdqv:"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/tegra241-cmdqv: Don&#8217;t fall back to a freed smmu after devm_krealloc()<\/p>\n<p>__tegra241_cmdqv_probe() uses devm_krealloc() to grow @smmu into the larger<br \/>\ntegra241_cmdqv, which frees the original @smmu once it relocates. A failure<br \/>\nafter that returned NULL, and the caller then dereferenced the freed @smmu<br \/>\non its fallback path.<\/p>\n<p>Return an int and take @smmu by reference instead, then update *smmu to the<br \/>\nreallocated pointer after devm_krealloc() succeeds, so the caller and its<br \/>\nfallback path both use the live @smmu rather than the freed original.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/tegra241-cmdqv: Don&#8217;t fall back to a freed smmu after devm_krealloc()<\/p>\n<p>__tegra241_cmdqv_probe() uses devm_krealloc() to grow <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25836","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25836","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=25836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}