CVE-2026-68302: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

CVE-2026-63993

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached iphdr value after skbtunnelcheckpmtu skbtunnelcheckpmtu can change skb-head. Reusing oldiph afer skbtunnelcheckpmtu can cause an UAF. Use instead iphdrskb as done in drivers/net/bareudp.c and...

CVE-2026-63993: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached iphdr value after skbtunnelcheckpmtu skbtunnelcheckpmtu can change skb-head. Reusing oldiph afer skbtunnelcheckpmtu can cause an UAF. Use instead iphdrskb as done in drivers/net/bareudp.c and...

zeek:zeek-packet-fuzzer: Heap-use-after-free in zeek::IP_Hdr::ToPktHdrVal

Project: https://github.com/zeek/zeek.git Detailed Report: https://oss-fuzz.com/testcase?key=5736875427495936 Project: zeek Fuzzing Engine: libFuzzer Fuzz Target: zeek-packet-fuzzer Job Type: libfuzzerasanzeek Platform Id: linux Crash Type: Heap-use-after-free READ 1 Crash Address: 0x603001c1a5c0...

zeek:zeek-packet-fuzzer: Heap-buffer-overflow in zeek::IP_Hdr::ToPktHdrVal

Project: https://github.com/zeek/zeek.git Detailed Report: https://oss-fuzz.com/testcase?key=4872286926143488 Project: zeek Fuzzing Engine: libFuzzer Fuzz Target: zeek-packet-fuzzer Job Type: libfuzzerasanzeek Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x603001c1a5a...

zeek:zeek-packet-fuzzer: Heap-buffer-overflow in zeek::IP_Hdr::ToPktHdrVal

Project: https://github.com/zeek/zeek.git Detailed Report: https://oss-fuzz.com/testcase?key=4880253234839552 Project: zeek Fuzzing Engine: libFuzzer Fuzz Target: zeek-packet-fuzzer Job Type: libfuzzerasanzeek Platform Id: linux Crash Type: Heap-buffer-overflow READ 2 Crash Address: 0x603001c17ef...