{"id":25705,"date":"2026-09-18T04:31:46","date_gmt":"2026-09-17T20:31:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90296"},"modified":"2026-09-18T04:31:46","modified_gmt":"2026-09-17T20:31:46","slug":"cve-2026-90296","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90296","title":{"rendered":"CVE-2026-90296 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: imx6q: fix d"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cpufreq: imx6q: fix devres accumulation across driver rebind<\/p>\n<p>imx6_soc_volt is allocated with devm_kcalloc(cpu_dev, &#8230;), where cpu_dev<br \/>\nis the CPU device from get_cpu_device(0). That device is never unbound, so<br \/>\nits devres list is never released, and imx6q_cpufreq_remove() does not free<br \/>\nthe array either. Every probe therefore adds an allocation that stays for<br \/>\nthe lifetime of the system.<\/p>\n<p>Allocate against the platform device instead. Its devres is released when<br \/>\nthe driver is unbound, which is exactly the lifetime the array wants:<br \/>\nimx6q_set_target() reads it, and nothing may reach that after<br \/>\ncpufreq_unregister_driver().<\/p>\n<p>That makes the array actually go away on unbind, so also clear the<br \/>\nfile-scope pointer in remove and on the failed-probe path, rather than<br \/>\nleave it pointing at memory devres is about to release.<\/p>\n<p>Tested by rebinding the driver on qemu&#8217;s mcimx6ul-evk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cpufreq: imx6q: fix devres accumulation across driver rebind<\/p>\n<p>imx6_soc_volt is allocated with devm_kcalloc(cpu_dev, &#8230;), where cpu<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25705","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25705","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=25705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}