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2026年9月4日

CVE-2026-63864 [HIGH] – In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error

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In the Linux kernel, the following vulnerability has been resolved:

bpf: Propagate error from visit_tailcall_insn

Commit e40f5a6bf88a (“bpf: correct stack liveness for tail calls”) added
visit_tailcall_insn() but did not check its return value.