{"id":"CVE-2026-98633","title":"Bluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()","summary":"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 l…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 998e447f443f138c90faa6ff3845082af419070e < 8a36598050cd1e5abb1d5ed42cc224cfcb538c4f","Linux >= 998e447f443f138c90faa6ff3845082af419070e < edcb84ee607a9ddfc6f2771a7f399115f0b0f19d","Linux >= 998e447f443f138c90faa6ff3845082af419070e < f2bbb36426581045a8bf7793da5419b9375e4348","Linux 6.15"],"published":"2026-10-18","updated":"2026-10-19","sourceUpdated":"2026-10-19T09:23:02.041Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98633","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"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.233Z","slug":"CVE-2026-98633","body":"## Overview\n\nIn 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).\n\n## Affected\n\n- `Linux >= 998e447f443f138c90faa6ff3845082af419070e < 8a36598050cd1e5abb1d5ed42cc224cfcb538c4f`\n- `Linux >= 998e447f443f138c90faa6ff3845082af419070e < edcb84ee607a9ddfc6f2771a7f399115f0b0f19d`\n- `Linux >= 998e447f443f138c90faa6ff3845082af419070e < f2bbb36426581045a8bf7793da5419b9375e4348`\n- `Linux 6.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}