{"id":"CVE-2026-45836","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_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_get_sndtimeo_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 >= 3.13, < 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, < 6.12.90","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":"2026-10-15T02:19:36.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45836","references":[{"url":"https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7","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-2026-45836","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_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 >= 3.13, < 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, < 6.12.90`\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":[]}