{"cve":"CVE-2022-48854","nvd":{"published":"2024-07-16T13:15:12.457","modified":"2026-06-17T05:16:23.283","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: arc_emac: Fix use after free in arc_mdio_probe()\n\nIf bus->state is equal to MDIOBUS_ALLOCATED, mdiobus_free(bus) will free\nthe \"bus\". But bus->name is still used in the next line, which will lead\nto a use after free.\n\nWe can fix it by putting the name in a local variable and make the\nbus->name point to the rodata section \"name\",then use the name in the\nerror message without referring to bus to avoid the uaf.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/84c831803785c2c3bec5c28c0e8a0b72f6b41d4d","https://git.kernel.org/stable/c/bc0e610a6eb0d46e4123fafdbe5e6141d9fff3be","https://git.kernel.org/stable/c/84c831803785c2c3bec5c28c0e8a0b72f6b41d4d","https://git.kernel.org/stable/c/bc0e610a6eb0d46e4123fafdbe5e6141d9fff3be"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2022-48854","score":0.00202,"percentile":0.10168,"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."]}