Threats Tagged 'ubuntu-cve-2025-39990'
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Threats Tagged 'ubuntu-cve-2025-39990'
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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/[email protected] Join the discussion | GCVE Database | 10/15/2025, 08:15:00 UTC Added: 07/21/2026, 20:03:47 UTC |
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