In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()<\/p>\n
dev_has_sync_state() reads dev->driver twice without holding
\ndevice_lock() — once for the NULL check and once to dereference
\n->sync_state. Some callers only hold device_links_write_lock, which
\ndoesn’t prevent a concurrent unbind from clearing dev->driver via
\ndevice_unbind_cleanup().<\/p>\n
Fix it by reading dev->driver exactly once with READ_ONCE(), pairing
\nwith the WRITE_ONCE() in device_set_driver().<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()<\/p>\n
dev_has_sync_state() reads dev->driver twice without holding<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12335","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12335","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=12335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}