{"cve":"CVE-2026-23019","nvd":{"published":"2026-01-31T12:16:05.207","modified":"2026-10-15T02:18:40.073","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix NULL dereference on devlink_alloc() failure\n\ndevlink_alloc() may return NULL on allocation failure, but\nprestera_devlink_alloc() unconditionally calls devlink_priv() on\nthe returned pointer.\n\nThis leads to a NULL pointer dereference if devlink allocation fails.\nAdd a check for a NULL devlink pointer and return NULL early to avoid\nthe crash.","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/325aea74be7e192b5c947c782da23b0d19a5fda2","https://git.kernel.org/stable/c/326a4b7e61d01db3507f71c8bb5e85362f607064","https://git.kernel.org/stable/c/3950054c9512add0cc79ab7e72b6d2f9f675e25b","https://git.kernel.org/stable/c/8a4333b2818f0d853b43e139936c20659366e4a0","https://git.kernel.org/stable/c/94e070cd50790317fba7787ae6006934b7edcb6f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-23019","score":0.00134,"percentile":0.02892,"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."]}