CVE-2026-74257 | Linux Kernel up to 6.18.39/7.1.4 sockmap net/core/skmsg.c sk_msg_recvmsg/udp_bpf_recvmsg ingress_msg use after free

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A vulnerability labeled as very critical has been found in Linux Kernel up to 6.18.39/7.1.4. Affected by this issue is the function sk_msg_recvmsg/udp_bpf_recvmsg of the file net/core/skmsg.c of the component sockmap. The manipulation of the argument ingress_msg results in use after free.

This vulnerability is cataloged as CVE-2026-74257. The attack may be launched remotely. There is no exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More