{"id":"CVE-2026-74304","state":"PUBLISHED","title":"Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device\n\nhu->serdev is NULL for hci_uart attached via non-serdev paths, but\nqca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev)\nand dereferences the result, causing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check, consistent with the\nrest of qca_setup().","publishedAt":"2026-08-15T05:58:05.981Z","updatedAt":"2026-09-25T14:44:24.813Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7812a441617ad7cf3e62281d3fa518d2ba17c100","status":"affected","lessThan":"74f179e75ab03bdc818a5e9709d8a8440c351463","versionType":"git"},{"version":"22d893eec0d52fa97d25d3de248285648f26ef68","status":"affected","lessThan":"0704c04769ccc1a0939682db35d816dfa5fe75dc","versionType":"git"},{"version":"22d893eec0d52fa97d25d3de248285648f26ef68","status":"affected","lessThan":"3ec629fee178d429f01ae843e4ea888de93012bf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_qca.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_qca.c"]}],"references":["https://git.kernel.org/stable/c/74f179e75ab03bdc818a5e9709d8a8440c351463","https://git.kernel.org/stable/c/0704c04769ccc1a0939682db35d816dfa5fe75dc","https://git.kernel.org/stable/c/3ec629fee178d429f01ae843e4ea888de93012bf"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74304.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74304","state":"PUBLISHED","datePublished":"2026-08-15T05:58:05.981Z","dateUpdated":"2026-09-25T14:44:24.813Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.882Z"},"containers":{"cna":{"title":"Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device\n\nhu->serdev is NULL for hci_uart attached via non-serdev paths, but\nqca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev)\nand dereferences the result, causing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check, consistent with the\nrest of qca_setup()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7812a441617ad7cf3e62281d3fa518d2ba17c100","status":"affected","lessThan":"74f179e75ab03bdc818a5e9709d8a8440c351463","versionType":"git"},{"version":"22d893eec0d52fa97d25d3de248285648f26ef68","status":"affected","lessThan":"0704c04769ccc1a0939682db35d816dfa5fe75dc","versionType":"git"},{"version":"22d893eec0d52fa97d25d3de248285648f26ef68","status":"affected","lessThan":"3ec629fee178d429f01ae843e4ea888de93012bf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_qca.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_qca.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/74f179e75ab03bdc818a5e9709d8a8440c351463"},{"url":"https://git.kernel.org/stable/c/0704c04769ccc1a0939682db35d816dfa5fe75dc"},{"url":"https://git.kernel.org/stable/c/3ec629fee178d429f01ae843e4ea888de93012bf"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-09-25T14:44:24.813Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}