{"cve":"CVE-2026-98791","nvd":{"published":"2026-10-18T16:17:33.087","modified":"2026-10-19T10:19:43.137","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix AF_XDP TX timestamp teardown NULL dereference\n\nDuring XSK TX queue teardown, outstanding descriptors are completed\nwithout a CQE. If one requested a TX timestamp, the completion path\npasses that NULL CQE to mlx5e_xsk_fill_timestamp(), which dereferences\nit.\n\nReturn zero when no CQE is available, indicating that teardown did not\nproduce a TX timestamp.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/63df0ef4c6e3105589e6bb2e758ce611b0ada86c","https://git.kernel.org/stable/c/7b97273cbebe9dd4fddc457f0c4f2a124d0e3996","https://git.kernel.org/stable/c/f81d40e2eb69552334f510114f3e6edd0d43178b","https://git.kernel.org/stable/c/fce70b6bf9f3261e887419a4e7caa25b80fa9d55"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98791","score":0.00168,"percentile":0.06051,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}