In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke<\/p>\n
When an invoke is interrupted by a signal,
\nwait_for_completion_interruptible() returns -ERESTARTSYS and
\nfastrpc_internal_invoke() moves every buffer from fl->mmaps onto
\ncctx->invoke_interrupted_mmaps. This list_del()\/list_add_tail() walk
\nruns without holding fl->lock, the lock that serialises fl->mmaps in
\nfastrpc_req_mmap() and fastrpc_req_munmap() everywhere else.<\/p>\n
Take fl->lock around the move, matching every other fl->mmaps accessor.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke<\/p>\n
When an invoke is interrupted by a signal,
\nwait_for_completio<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11239","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11239","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=11239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}