{"cve":"CVE-2025-21975","nvd":{"published":"2025-04-01T16:15:28.853","modified":"2026-06-17T08:44:45.100","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: handle errors in mlx5_chains_create_table()\n\nIn mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns()\nand mlx5_get_flow_namespace() must be checked to prevent NULL pointer\ndereferences. If either function fails, the function should log error\nmessage with mlx5_core_warn() and return error pointer.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412","https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2","https://git.kernel.org/stable/c/15bdd93728369b2c8942a8e5d549d4b5dc04a2d9","https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398","https://git.kernel.org/stable/c/29c419c64e9b396baeda1d8713d2aa3ba7c0acf6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-21975","score":0.00198,"percentile":0.0964,"date":"2026-10-31"},"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."]}