CVE-2026-98633

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98633", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.361Z", "datePublished": "2026-10-18T15:19:58.365Z", "dateUpdated": "2026-10-19T09:23:02.041Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:23:02.041Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()\n\nWhen CONFIG_DEV_COREDUMP=n, hci_devcd_append() returns -EOPNOTSUPP\nwithout freeing its skb argument. This leaks the cloned skb and also\nprevents nxp_set_ind_reset() from being called to perform recovery.\n\nFix by guarding the hci_devcd_append(hdev, skb_clone(skb, GFP_ATOMIC))\ncall with IS_ENABLED(CONFIG_DEV_COREDUMP)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btnxpuart.c"], "versions": [{"version": "998e447f443f138c90faa6ff3845082af419070e", "lessThan": "8a36598050cd1e5abb1d5ed42cc224cfcb538c4f", "status": "affected", "versionType": "git"}, {"version": "998e447f443f138c90faa6ff3845082af419070e", "lessThan": "edcb84ee607a9ddfc6f2771a7f399115f0b0f19d", "status": "affected", "versionType": "git"}, {"version": "998e447f443f138c90faa6ff3845082af419070e", "lessThan": "f2bbb36426581045a8bf7793da5419b9375e4348", "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/btnxpuart.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.55", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.15", "versionEndExcluding": "6.18.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8a36598050cd1e5abb1d5ed42cc224cfcb538c4f"}, {"url": "https://git.kernel.org/stable/c/edcb84ee607a9ddfc6f2771a7f399115f0b0f19d"}, {"url": "https://git.kernel.org/stable/c/f2bbb36426581045a8bf7793da5419b9375e4348"}], "title": "Bluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/bluetooth/btnxpuart.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8a36598050cd1e5abb1d5ed42cc224cfcb538c4f", "status": "affected", "version": "998e447f443f138c90faa6ff3845082af419070e", "versionType": "git"}, {"lessThan": "edcb84ee607a9ddfc6f2771a7f399115f0b0f19d", "status": "affected", "version": "998e447f443f138c90faa6ff3845082af419070e", "versionType": "git"}, {"lessThan": "f2bbb36426581045a8bf7793da5419b9375e4348", "status": "affected", "version": "998e447f443f138c90faa6ff3845082af419070e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/bluetooth/btnxpuart.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.55", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: btnxpuart: Fix skb leak in nxp_process_fw_dump()\n\nWhen CONFIG_DEV_COREDUMP=n, hci_devcd_append() returns -EOPNOTSUPP\nwithout freeing its skb argument. This leaks the cloned skb and also\nprevents nxp_set_ind_reset() from being called to perform recovery.\n\nFix by guarding the hci_devcd_append(hdev, skb_clone(skb, GFP_ATOMIC))\ncall with IS_ENABLED(CONFIG_DEV_COREDUMP)."}], "id": "CVE-2026-98633", "lastModified": "2026-10-19T10:19:27.567", "metrics": {}, "published": "2026-10-18T16:17:16.410", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a36598050cd1e5abb1d5ed42cc224cfcb538c4f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/edcb84ee607a9ddfc6f2771a7f399115f0b0f19d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f2bbb36426581045a8bf7793da5419b9375e4348"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Bluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()", "id": "2554998", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554998"}, "csaw": false, "cvss3": {"cvss3_base_score": "1.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()\nWhen CONFIG_DEV_COREDUMP=n, hci_devcd_append() returns -EOPNOTSUPP\nwithout freeing its skb argument. This leaks the cloned skb and also\nprevents nxp_set_ind_reset() from being called to perform recovery.\nFix by guarding the hci_devcd_append(hdev, skb_clone(skb, GFP_ATOMIC))\ncall with IS_ENABLED(CONFIG_DEV_COREDUMP).", "A flaw was found in the Linux kernel's Bluetooth NXP UART driver, which can lead to a Denial of Service (DoS). When device coredump support is disabled in the kernel configuration, handling firmware dump data fails to release cloned socket buffers upon encountering an unsupported operation error. A local attacker capable of triggering firmware dumps can exploit this behavior to exhaust kernel memory and prevent device recovery, leaving the Bluetooth interface unresponsive."], "name": "CVE-2026-98633", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98633\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98633\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98633.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[998e447f443f138c90faa6ff3845082af419070e,8a36598050cd1e5abb1d5ed42cc224cfcb538c4f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[998e447f443f138c90faa6ff3845082af419070e,edcb84ee607a9ddfc6f2771a7f399115f0b0f19d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[998e447f443f138c90faa6ff3845082af419070e,f2bbb36426581045a8bf7793da5419b9375e4348)"}}], "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": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.55,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.9,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc5,*]"}}], "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": "2026-10-18T18:30:14.374817+00:00", "updated": "2026-10-22T21:45:06.446686+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-772"]}