https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 18:17:51 +0000 https://vulnerability.circl.lu/vuln/cve-2026-23242 <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>RDMA/siw: Fix potential NULL pointer dereference in header processing</p> <p>If siw_get_hdr() returns -EINVAL before set_rx_fpdu_context(), qp-&gt;rx_fpdu can be NULL. The error path in siw_tcp_rx_data() dereferences qp-&gt;rx_fpdu-&gt;more_ddp_segs without checking, which may lead to a NULL pointer deref. Only check more_ddp_segs when rx_fpdu is present.</p> <p>KASAN splat: [ 101.384271] KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7] [ 101.385869] RIP: 0010:siw_tcp_rx_data+0x13ad/0x1e50</p> <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>RDMA/siw: Fix potential NULL pointer dereference in header processing</p> <p>If siw_get_hdr() returns -EINVAL before set_rx_fpdu_context(), qp-&gt;rx_fpdu can be NULL. The error path in siw_tcp_rx_data() dereferences qp-&gt;rx_fpdu-&gt;more_ddp_segs without checking, which may lead to a NULL pointer deref. Only check more_ddp_segs when rx_fpdu is present.</p> <p>KASAN splat: [ 101.384271] KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7] [ 101.385869] RIP: 0010:siw_tcp_rx_data+0x13ad/0x1e50</p> https://vulnerability.circl.lu/vuln/cve-2026-23242