CVE-2026-63864

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd < 945816e63c8677cf4bfde963a0774432ce8afc85affected
LinuxLinuxe40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd < 6bd96e40f31dde8f8cd79772b4df0f171cf8a915affected
LinuxLinux6.19affected
LinuxLinux0 < 6.19unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References