{"id":"CVE-2026-45835","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb().","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb().","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.1, < 5.10.258","linux_kernel >= 5.11, < 5.15.209","linux_kernel >= 5.16, < 6.1.175","linux_kernel >= 6.2, < 6.6.140","linux_kernel >= 6.7, < 6.12.88","linux_kernel >= 6.13, < 6.18.30","linux_kernel >= 6.19, < 7.0.7","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.7"],"published":"2026-05-26","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:19:36.090","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45835","references":[{"url":"https://git.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/684a1f9ee2325437ae18ac5371884e4c6a25ae73","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eea","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00162,"epssPercentile":0.05068,"ingestedAt":"2026-10-15T03:30:12.877Z","slug":"CVE-2026-45835","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb().\n\n## Affected\n\n- `linux_kernel >= 3.1, < 5.10.258`\n- `linux_kernel >= 5.11, < 5.15.209`\n- `linux_kernel >= 5.16, < 6.1.175`\n- `linux_kernel >= 6.2, < 6.6.140`\n- `linux_kernel >= 6.7, < 6.12.88`\n- `linux_kernel >= 6.13, < 6.18.30`\n- `linux_kernel >= 6.19, < 7.0.7`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.7`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}