https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 06:36:00 +0000 https://vulnerability.circl.lu/vuln/cve-2024-56654 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating</p> <p>The usage of rcu_read_(un)lock while inside list_for_each_entry_rcu is not safe since for the most part entries fetched this way shall be treated as rcu_dereference:</p> <p>Note that the value returned by rcu_dereference() is valid only within the enclosing RCU read-side critical section [1]_. For example, the following is **not** legal::</p> <p>rcu_read_lock(); p = rcu_dereference(head.next); rcu_read_unlock(); x = p-&gt;address; /* BUG!!! */ rcu_read_lock(); y = p-&gt;data; /* BUG!!! */ rcu_read_unlock();</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating</p> <p>The usage of rcu_read_(un)lock while inside list_for_each_entry_rcu is not safe since for the most part entries fetched this way shall be treated as rcu_dereference:</p> <p>Note that the value returned by rcu_dereference() is valid only within the enclosing RCU read-side critical section [1]_. For example, the following is **not** legal::</p> <p>rcu_read_lock(); p = rcu_dereference(head.next); rcu_read_unlock(); x = p-&gt;address; /* BUG!!! */ rcu_read_lock(); y = p-&gt;data; /* BUG!!! */ rcu_read_unlock();</p> https://vulnerability.circl.lu/vuln/cve-2024-56654