{"id":"CVE-2026-98602","title":"Bluetooth: bnep: fix out-of-bounds reads on short RX/TX frames and control fallthrough","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: bnep: fix out-of-bounds reads on short RX/TX frames and control fallthrough\n\nFix multiple out-of-bounds reads in Bluetooth BNEP frame processing:\n\n1. In bnep…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7af80ad2cebfe2f1879d6a39a1aaa061d9c4e1ca","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 667aa703e11cdc237d169393bc6a5ea9acbb33c2","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e605ff5932afe0970c2beca66f2f1ba2babe4dd","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 035f9b1809861967e58ce652680d70ea1502058f","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1e7aebc188f889b56c3aaeb6133ef6d77022c887","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8f31031326994d1abfcc6ebb6927ef96e51fb9ff","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ad0d2d4ada51321db787262ef343193c712b76b5","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f0ca020cbb9bb7f3f4ea8ba1dfcf30a282aec91e","Linux 2.6.12"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:19:14.606Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98602","references":[{"url":"https://git.kernel.org/stable/c/7af80ad2cebfe2f1879d6a39a1aaa061d9c4e1ca"},{"url":"https://git.kernel.org/stable/c/667aa703e11cdc237d169393bc6a5ea9acbb33c2"},{"url":"https://git.kernel.org/stable/c/3e605ff5932afe0970c2beca66f2f1ba2babe4dd"},{"url":"https://git.kernel.org/stable/c/035f9b1809861967e58ce652680d70ea1502058f"},{"url":"https://git.kernel.org/stable/c/1e7aebc188f889b56c3aaeb6133ef6d77022c887"},{"url":"https://git.kernel.org/stable/c/8f31031326994d1abfcc6ebb6927ef96e51fb9ff"},{"url":"https://git.kernel.org/stable/c/ad0d2d4ada51321db787262ef343193c712b76b5"},{"url":"https://git.kernel.org/stable/c/f0ca020cbb9bb7f3f4ea8ba1dfcf30a282aec91e"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.245Z","slug":"CVE-2026-98602","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: bnep: fix out-of-bounds reads on short RX/TX frames and control fallthrough\n\nFix multiple out-of-bounds reads in Bluetooth BNEP frame processing:\n\n1. In bnep_rx_frame() and bnep_ctrl_frame() (net/bluetooth/bnep/core.c),\n   use pskb_may_pull() to verify the BNEP header, control type byte,\n   filter count, and extension headers exist before reading them, and\n   return 0 after handling BNEP_CONTROL instead of falling through to\n   Ethernet frame submission when no extension headers follow.\n2. In bnep_net_xmit() (net/bluetooth/bnep/netdev.c), verify skb->len >=\n   ETH_HLEN with pskb_may_pull() before reading the 14-byte Ethernet\n   header to prevent an out-of-bounds heap read and infoleak on short\n   AF_PACKET TX frames.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7af80ad2cebfe2f1879d6a39a1aaa061d9c4e1ca`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 667aa703e11cdc237d169393bc6a5ea9acbb33c2`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e605ff5932afe0970c2beca66f2f1ba2babe4dd`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 035f9b1809861967e58ce652680d70ea1502058f`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1e7aebc188f889b56c3aaeb6133ef6d77022c887`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8f31031326994d1abfcc6ebb6927ef96e51fb9ff`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ad0d2d4ada51321db787262ef343193c712b76b5`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f0ca020cbb9bb7f3f4ea8ba1dfcf30a282aec91e`\n- `Linux 2.6.12`\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":[]}