CVE-2026-63864
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.
- Published Jul 19, 2026
- CVSS 8.4 high
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available