https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 03:38:04 +0000 https://vulnerability.circl.lu/vuln/cve-2023-53566 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: nft_set_rbtree: fix null deref on element insertion</p> <p>There is no guarantee that rb_prev() will not return NULL in nft_rbtree_gc_elem():</p> <p>general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] nft_add_set_elem+0x14b0/0x2990 nf_tables_newsetelem+0x528/0xb30</p> <p>Furthermore, there is a possible use-after-free while iterating, &#39;node&#39; can be free&#39;d so we need to cache the next value to use.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: nft_set_rbtree: fix null deref on element insertion</p> <p>There is no guarantee that rb_prev() will not return NULL in nft_rbtree_gc_elem():</p> <p>general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] nft_add_set_elem+0x14b0/0x2990 nf_tables_newsetelem+0x528/0xb30</p> <p>Furthermore, there is a possible use-after-free while iterating, &#39;node&#39; can be free&#39;d so we need to cache the next value to use.</p> https://vulnerability.circl.lu/vuln/cve-2023-53566