https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 12:08:01 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-80839 <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-80839 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1253 certfr-2026-avi-1253 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1253 https://cve.radiocsirt.org/vuln/euvd-2026-363862 EUVD-2026-363862 https://cve.radiocsirt.org/vuln/euvd-2026-363862 https://cve.radiocsirt.org/vuln/fkie_cve-2026-80839 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>batman-adv: reject unrepresentable multicast TVLV offsets</p> <p>The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable.</p> <p>If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data.</p> <p>Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>batman-adv: reject unrepresentable multicast TVLV offsets</p> <p>The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable.</p> <p>If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data.</p> <p>Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-80839 https://cve.radiocsirt.org/vuln/ghsa-676r-cqgf-36vf <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>batman-adv: reject unrepresentable multicast TVLV offsets</p> <p>The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable.</p> <p>If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data.</p> <p>Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>batman-adv: reject unrepresentable multicast TVLV offsets</p> <p>The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable.</p> <p>If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data.</p> <p>Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> https://cve.radiocsirt.org/vuln/ghsa-676r-cqgf-36vf https://cve.radiocsirt.org/vuln/opensuse-su-2026:11773-1 <p>kernel-devel-7.2.5-1.1 on GA media</p> <p>kernel-devel-7.2.5-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:11773-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80839 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject unrepresentable multicast TVLV offsets The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable. If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data. Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject unrepresentable multicast TVLV offsets The network and transport header fields in struct sk_buff are 16-bit offsets from skb-&gt;head, and U16_MAX is reserved as the unset transport header value. batadv_tvlv_call_handler() sets both fields from a received multicast TVLV without checking whether the TVLV end is representable. If the end offset exceeds the field&#39;s range, skb_set_transport_header() truncates it so that the transport header precedes the network header. The negative difference is then returned by skb_network_header_len() as a large u32. batadv_mcast_forw_packet() consequently accepts an oversized multicast tracker and accesses memory beyond the skb data. Add skb_set_transport_header_careful(), an offset-aware counterpart to skb_reset_transport_header_careful(), which validates the final head-relative offset before assigning it. Use the new helper in batadv_tvlv_call_handler() and reject unrepresentable TVLVs before setting the network header.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80839 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3211 <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um Speicherfehler und Kernel-Abstürze beziehungsweise Denial-of-Service-Zustände auszulösen, Speicher außerhalb vorgesehener Grenzen auszulesen sowie in einzelnen Fällen weitere Sicherheitsauswirkungen zu verursachen.</p> <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um Speicherfehler und Kernel-Abstürze beziehungsweise Denial-of-Service-Zustände auszulösen, Speicher außerhalb vorgesehener Grenzen auszulesen sowie in einzelnen Fällen weitere Sicherheitsauswirkungen zu verursachen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3211