{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74303", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.882Z", "datePublished": "2026-08-15T05:58:05.321Z", "dateUpdated": "2026-08-17T05:16:50.701Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:16:50.701Z"}, "descriptions": [{"lang": "en", "value": "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->serdev is NULL for hci_uart attached via non-serdev paths, but\nqca_dmp_hdr() unconditionally dereferences hu->serdev->dev.driver->name,\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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/hci_qca.c"], "versions": [{"version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "lessThan": "809230cc25dde1d6bb00de2a1eeb5f3199402fbe", "status": "affected", "versionType": "git"}, {"version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "lessThan": "a209744230f9ce3d7a7e9a0839944f5cb5fa02a4", "status": "affected", "versionType": "git"}, {"version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "lessThan": "e284bb94ad4512ec0bcd9b91bda99e67c507f7f8", "status": "affected", "versionType": "git"}, {"version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "lessThan": "d54a5fb7d821b88c7c5569d450af59dafccaf414", "status": "affected", "versionType": "git"}, {"version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "lessThan": "6b8cbcf08de0db62254d1981f83db0f94681ccd9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/hci_qca.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/809230cc25dde1d6bb00de2a1eeb5f3199402fbe"}, {"url": "https://git.kernel.org/stable/c/a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"}, {"url": "https://git.kernel.org/stable/c/e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"}, {"url": "https://git.kernel.org/stable/c/d54a5fb7d821b88c7c5569d450af59dafccaf414"}, {"url": "https://git.kernel.org/stable/c/6b8cbcf08de0db62254d1981f83db0f94681ccd9"}], "title": "Bluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/bluetooth/hci_qca.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "809230cc25dde1d6bb00de2a1eeb5f3199402fbe", "status": "affected", "version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "versionType": "git"}, {"lessThan": "a209744230f9ce3d7a7e9a0839944f5cb5fa02a4", "status": "affected", "version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "versionType": "git"}, {"lessThan": "e284bb94ad4512ec0bcd9b91bda99e67c507f7f8", "status": "affected", "version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "versionType": "git"}, {"lessThan": "d54a5fb7d821b88c7c5569d450af59dafccaf414", "status": "affected", "version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "versionType": "git"}, {"lessThan": "6b8cbcf08de0db62254d1981f83db0f94681ccd9", "status": "affected", "version": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/bluetooth/hci_qca.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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->serdev is NULL for hci_uart attached via non-serdev paths, but\nqca_dmp_hdr() unconditionally dereferences hu->serdev->dev.driver->name,\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."}], "id": "CVE-2026-74303", "lastModified": "2026-08-17T06:19:24.487", "metrics": {}, "published": "2026-08-15T06:22:29.930", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b8cbcf08de0db62254d1981f83db0f94681ccd9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/809230cc25dde1d6bb00de2a1eeb5f3199402fbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d54a5fb7d821b88c7c5569d450af59dafccaf414"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Bluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device", "id": "2516868", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516868"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device\nhu->serdev is NULL for hci_uart attached via non-serdev paths, but\nqca_dmp_hdr() unconditionally dereferences hu->serdev->dev.driver->name,\ncausing a NULL pointer dereference.\nFix by guarding the dereference with a NULL check and falling back to\n\"hci_ldisc_qca\" for the non-serdev case.", "A flaw was found in the Linux kernel's Bluetooth subsystem. The `qca_dmp_hdr()` function, when handling non-serdev devices, attempts to dereference a NULL pointer without proper validation. An attacker could potentially trigger this condition, leading to a system crash and a denial of service."], "name": "CVE-2026-74303", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74303\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74303\nhttps://lore.kernel.org/linux-cve-announce/2026081550-CVE-2026-74303-f2ee@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06d3fdfcdf5cefb06f2024b9d3dad356779399cf,809230cc25dde1d6bb00de2a1eeb5f3199402fbe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06d3fdfcdf5cefb06f2024b9d3dad356779399cf,a209744230f9ce3d7a7e9a0839944f5cb5fa02a4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06d3fdfcdf5cefb06f2024b9d3dad356779399cf,e284bb94ad4512ec0bcd9b91bda99e67c507f7f8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06d3fdfcdf5cefb06f2024b9d3dad356779399cf,d54a5fb7d821b88c7c5569d450af59dafccaf414)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06d3fdfcdf5cefb06f2024b9d3dad356779399cf,6b8cbcf08de0db62254d1981f83db0f94681ccd9)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T17:45:03.068556+00:00", "updated": "2026-08-22T01:15:05.625560+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}