{"id":"CVE-2026-43239","summary":"smb: client: prevent races in -\u003equery_interfaces()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: prevent races in -\u003equery_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.","modified":"2026-07-03T18:29:35.319676479Z","published":"2026-05-06T11:28:33.623Z","related":["SUSE-SU-2026:22433-1","SUSE-SU-2026:22436-1","SUSE-SU-2026:2722-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43239.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43239.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43239"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"aa45dadd34e44fcd6a9df4b395bee5b5633b4cec"},{"fixed":"93e8e3ee165ae4609a1222b516b573837103d2c3"},{"fixed":"ab6564f416a6eaf1199200b6100952407b438f7d"},{"fixed":"6287eefaf21ec805d42f941bd368018cf397a7f5"},{"fixed":"76cc4faba0343c6db945b8dc75425b33d633e1b8"},{"fixed":"c3c06e42e1527716c54f3ad2ced6a034b5f3a489"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43239.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"6.6.128"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43239.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}