GHSA-2m9q-5w5g-jwfp
Record from GitHub Advisory Database · Published October 15, 2025
In the Linux kernel, the following vulnerability has been resolved: bpf: Check the helper function is valid in get_helper_proto kernel test robot reported verifier bug [1] where the helper func pointer could be NULL due to disabled config option. As Alexei suggested we could check on that in get_helper_proto directly. Marking tail_call helper func with BPF_PTR_POISON, because it is unused by design. [1] https://lore.kernel.org/oe-lkp/202507160818.68358831-lkp@intel.com
Risk scores
Timeline
- Oct 15, 2025 CVE Published
- Aug 6, 2026 Security Advisory
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