https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 16:44:28 +0000 https://vulnerability.circl.lu/vuln/cve-2026-72436 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: ipset: Don&#39;t use test_bit() in lockless RCU readers in hash types</p> <p>Sashiko pointed out that there are a few lockless RCU readers using test_bit() which is a relaxed atomic operation and provides no memory barrier guarantees. Use test_bit_acquire() instead where the operation may run parallel with add/del/gc, i.e. is not one from the next cases</p> <p>- protected by region lock - in a set destroy phase - in a new/temporary set creation phase</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: ipset: Don&#39;t use test_bit() in lockless RCU readers in hash types</p> <p>Sashiko pointed out that there are a few lockless RCU readers using test_bit() which is a relaxed atomic operation and provides no memory barrier guarantees. Use test_bit_acquire() instead where the operation may run parallel with add/del/gc, i.e. is not one from the next cases</p> <p>- protected by region lock - in a set destroy phase - in a new/temporary set creation phase</p> https://vulnerability.circl.lu/vuln/cve-2026-72436