Threats Tagged 'ghsa-m483-33mw-4p7w'
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Threats Tagged 'ghsa-m483-33mw-4p7w'
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A high-severity vulnerability in the Linux kernel's ESP implementation was resolved. The function esp_ssg_unref() incorrectly releases page references for managed fragment pages, which it does not own, leading to potential page reference count underflow and premature freeing of pages still in use. This occurs because esp_ssg_unref() lacks a guard that prevents unreferencing managed fragments, unlike other parts of the kernel that handle this correctly. The fix involves adding the missing guard to skip unreferencing for managed-frag skbs, aligning with existing kernel behavior. Join the discussion | GCVE Database | 09/17/2026, 18:32:10 UTC Added: 09/19/2026, 01:27:49 UTC |
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