{"id":"CVE-2026-74303","summary":"Bluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device\n\nhu-\u003eserdev is NULL for hci_uart attached via non-serdev paths, but\nqca_dmp_hdr() unconditionally dereferences hu-\u003eserdev-\u003edev.driver-\u003ename,\ncausing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check and falling back to\n\"hci_ldisc_qca\" for the non-serdev case.","modified":"2026-08-18T03:31:12.518543119Z","published":"2026-08-15T05:58:05.321Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74303.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6b8cbcf08de0db62254d1981f83db0f94681ccd9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/809230cc25dde1d6bb00de2a1eeb5f3199402fbe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d54a5fb7d821b88c7c5569d450af59dafccaf414"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74303.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74303"},{"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":"06d3fdfcdf5cefb06f2024b9d3dad356779399cf"},{"fixed":"809230cc25dde1d6bb00de2a1eeb5f3199402fbe"},{"fixed":"a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"},{"fixed":"e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"},{"fixed":"d54a5fb7d821b88c7c5569d450af59dafccaf414"},{"fixed":"6b8cbcf08de0db62254d1981f83db0f94681ccd9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74303.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74303.json"}}],"schema_version":"1.9.0"}