{"cve":"CVE-2026-43239","nvd":{"published":"2026-05-06T12:16:44.217","modified":"2026-10-19T20:18:12.113","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: prevent races in ->query_interfaces()\n\nIt was possible for two query interface works to be concurrently trying\nto update the interfaces.\n\nPrevent this by checking and updating iface_last_update under\niface_lock.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5","https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8","https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3","https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d","https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-43239","score":0.00273,"percentile":0.19519,"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."]}