CVE-2026-53078

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF socket operations sockops program. When a BPF sockops program accesses context fields with the same destination and source registers, certain macros fail to properly clear the destination register. This can lead to a...

CVE-2026-53078

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix same-register dst/src OOB read and pointer leak in sockops When a BPF sockops program accesses ctx fields with dstreg == srcreg, the SOCKOPSGETSK and SOCKOPSGETFIELD macros fail to zero the destination register in the...

PT-2026-51972

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF sock ops program when accessing ctx fields where the destination register dst reg is the same as the source register src reg. In the !fullsock or !locked tcp...

CVE-2025-68227 mptcp: Fix proto fallback detection with BPF

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix proto fallback detection with BPF The sockmap feature allows bpf syscall from userspace, or based on bpf sockops, replacing the skprot of sockets during protocol stack processing with sockmap's custom read/write...