{"id":25478,"date":"2026-09-18T04:31:26","date_gmt":"2026-09-17T20:31:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90069"},"modified":"2026-09-18T04:31:26","modified_gmt":"2026-09-17T20:31:26","slug":"cve-2026-90069","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90069","title":{"rendered":"CVE-2026-90069 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: acomp &#8211; alloc"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>crypto: acomp &#8211; allocate async request context when cloning<\/p>\n<p>ACOMP_REQUEST_ON_STACK() reserves only enough storage for the<br \/>\nsynchronous fallback. When an async implementation is selected, callers<br \/>\nclone that stack request before retrying, but acomp_request_clone()<br \/>\ncurrently copies only the stack-sized object. The clone therefore has no<br \/>\nstorage for the async provider request context, and providers such as QAT<br \/>\nwrite past the allocation through acomp_request_ctx(). KASAN does report<br \/>\na slab OOB write.<\/p>\n<p>Allocate a zeroed clone large enough for the runtime acomp request size,<br \/>\ncopy only the bytes present in the source object, and preserve the<br \/>\nexisting fallback-on-allocation-failure behavior. Use the runtime reqsize<br \/>\nbecause an implementation may adjust it during tfm initialization.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>crypto: acomp &#8211; allocate async request context when cloning<\/p>\n<p>ACOMP_REQUEST_ON_STACK() reserves only enough storage for the<br \/>\nsynchron<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25478","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25478","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=25478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}