{"id":"CVE-2026-97981","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: cortina: Count dropped frames as NAPI work\n\nThe RX loop only consumes budget when it successfully delivers a frame.\nError paths keep consuming descriptor…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: cortina: Count dropped frames as NAPI work\n\nThe RX loop only consumes budget when it successfully delivers a frame.\nError paths keep consuming descriptor…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 < 58140f1cebb776d174dc6ff41c15401654a5b1ea","Linux >= 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 < cceb6cd7f0e5ed2944a9ca22443d7b9da82f60ab","Linux >= 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 < 5754e0c0758805096ecfeaf4c1b146ad51ed246f","Linux >= 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 < b856c552f556bc0341c1dbe0bf88e630fd1dc4b7","Linux 4.16"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:26.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97981","references":[{"url":"https://git.kernel.org/stable/c/5754e0c0758805096ecfeaf4c1b146ad51ed246f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/58140f1cebb776d174dc6ff41c15401654a5b1ea","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b856c552f556bc0341c1dbe0bf88e630fd1dc4b7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cceb6cd7f0e5ed2944a9ca22443d7b9da82f60ab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.868Z","slug":"CVE-2026-97981","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: cortina: Count dropped frames as NAPI work\n\nThe RX loop only consumes budget when it successfully delivers a frame.\nError paths keep consuming descriptors without reducing the budget, so a\nstream of bad frames can process the entire receive ring in one poll.\n\nMove the budget accounting to a common end-of-frame path. This counts\neach completed frame as NAPI work whether it was delivered or dropped,\nmatching the behavior of the vendor driver.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}