In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
crypto: iaa – unmap dst before software fallback on decompress<\/p>\n
On a hardware analytics error, decompress retries through the software
\nfallback, which writes req->dst with the CPU while it is still mapped
\nDMA_FROM_DEVICE. With SWIOTLB active the later dma_unmap_sg() copies the
\nstale bounce buffer over req->dst, corrupting the result.<\/p>\n
Unmap before the fallback runs. The async path unmaps inline; the sync
\npath signals the retry with -EAGAIN so iaa_comp_adecompress() runs the
\nfallback after unmapping.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
crypto: iaa – unmap dst before software fallback on decompress<\/p>\n
On a hardware analytics error, decompress retries through the softw<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21278","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21278","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=21278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}