In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
gpio: zynq: fix runtime PM leak on request error path<\/p>\n
pm_runtime_get_sync() leaves the usage counter incremented even when it
\nfails, and zynq_gpio_request() returns the error without dropping it.<\/p>\n
gpiolib does not call ->free() when ->request() fails, so zynq_gpio_free(),
\nwhich holds the only matching pm_runtime_put(), never runs. The reference
\nis leaked and the controller can no longer runtime-suspend, so its clock
\nstays enabled.<\/p>\n
Switch to pm_runtime_resume_and_get(), which only increments the usage
\ncounter on success.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
gpio: zynq: fix runtime PM leak on request error path<\/p>\n
pm_runtime_get_sync() leaves the usage counter incremented even when it
\nfail<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-40999","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/40999","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=40999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}