https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 12:29:56 +0000 https://vulnerability.circl.lu/vuln/cve-2023-53987 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ping: Fix potentail NULL deref for /proc/net/icmp.</p> <p>After commit dbca1596bbb0 (&#34;ping: convert to RCU lookups, get rid of rwlock&#34;), we use RCU for ping sockets, but we should use spinlock for /proc/net/icmp to avoid a potential NULL deref mentioned in the previous patch.</p> <p>Let&#39;s go back to using spinlock there.</p> <p>Note we can convert ping sockets to use hlist instead of hlist_nulls because we do not use SLAB_TYPESAFE_BY_RCU for ping sockets.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ping: Fix potentail NULL deref for /proc/net/icmp.</p> <p>After commit dbca1596bbb0 (&#34;ping: convert to RCU lookups, get rid of rwlock&#34;), we use RCU for ping sockets, but we should use spinlock for /proc/net/icmp to avoid a potential NULL deref mentioned in the previous patch.</p> <p>Let&#39;s go back to using spinlock there.</p> <p>Note we can convert ping sockets to use hlist instead of hlist_nulls because we do not use SLAB_TYPESAFE_BY_RCU for ping sockets.</p> https://vulnerability.circl.lu/vuln/cve-2023-53987