https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 08 Oct 2026 20:52:12 +0000 https://cve.radiocsirt.org/vuln/cve-2021-47494 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cfg80211: fix management registrations locking</p> <p>The management registrations locking was broken, the list was locked for each wdev, but cfg80211_mgmt_registrations_update() iterated it without holding all the correct spinlocks, causing list corruption.</p> <p>Rather than trying to fix it with fine-grained locking, just move the lock to the wiphy/rdev (still need the list on each wdev), we already need to hold the wdev lock to change it, so there&#39;s no contention on the lock in any case. This trivially fixes the bug since we hold one wdev&#39;s lock already, and now will hold the lock that protects all lists.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cfg80211: fix management registrations locking</p> <p>The management registrations locking was broken, the list was locked for each wdev, but cfg80211_mgmt_registrations_update() iterated it without holding all the correct spinlocks, causing list corruption.</p> <p>Rather than trying to fix it with fine-grained locking, just move the lock to the wiphy/rdev (still need the list on each wdev), we already need to hold the wdev lock to change it, so there&#39;s no contention on the lock in any case. This trivially fixes the bug since we hold one wdev&#39;s lock already, and now will hold the lock that protects all lists.</p> https://cve.radiocsirt.org/vuln/cve-2021-47494