{"id":"CVE-2026-98830","summary":"wifi: wfx: validate MIB read length before copying to caller","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wfx: validate MIB read length before copying to caller\n\nwfx_hif_read_mib() copies reply-\u003elength bytes from the firmware\nresponse into the caller-provided buffer without checking that\nreply-\u003elength does not exceed val_len. A firmware response with\na length field larger than expected overruns the caller buffer and\nreads past the end of the reply allocation.\n\nReplace the dead -ENOMEM check with an active validation that\nreply-\u003elength fits within val_len before the memcpy.","modified":"2026-11-04T14:27:25.953777867Z","published":"2026-10-18T15:49:31.843Z","related":["SUSE-SU-2026:5091-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98830.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02886c18a340da59df57365f29009e1258bfe333"},{"type":"WEB","url":"https://git.kernel.org/stable/c/71d140099165de03128c00dd129f1eab21c6a3c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7acb36fd60a3e7b858f12e69a919c3609b281408"},{"type":"WEB","url":"https://git.kernel.org/stable/c/819d4c1323e2a9b7329021d5367aa01add22b5dc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b8310b55e53622a393d14af4939f620c1828778b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce67ebe9d8629776ce38e6995ae72fb903c828db"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98830.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98830"},{"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":"f95a29d40782f4f0052a692a822de3ba044b19ff"},{"fixed":"b8310b55e53622a393d14af4939f620c1828778b"},{"fixed":"819d4c1323e2a9b7329021d5367aa01add22b5dc"},{"fixed":"02886c18a340da59df57365f29009e1258bfe333"},{"fixed":"71d140099165de03128c00dd129f1eab21c6a3c4"},{"fixed":"7acb36fd60a3e7b858f12e69a919c3609b281408"},{"fixed":"ce67ebe9d8629776ce38e6995ae72fb903c828db"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98830.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98830.json"}}],"schema_version":"1.9.2"}