{"api_version":"1","generated_at":"2026-06-03T06:13:14+00:00","cve":"CVE-2026-45836","urls":{"html":"https://cve.report/CVE-2026-45836","api":"https://cve.report/api/cve/CVE-2026-45836.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45836","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45836"},"summary":{"title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()","description":"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().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-26 17:16:50","updated_at":"2026-06-01 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00:08:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/l2cap_sock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fd072f833147b0bc10c43a454624cb99d02f3fc7","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"6e8d1a2a677a81caa60cf0aabd4217bd585fbba1","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"e1863e7480feddb90125d0dd5a1b572972d75908","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"cf1fd517f892ded88168df878f834b625133f86d","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"58dc5e3d8768e121907608e6e196a908512fb083","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"32bd343803d4ba47cc516f9d5f037f01b855d767","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"a93d66907dd4d29b65c9797a93784bf61906d6d6","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"},{"lessThan":"78a88d43dab8d23aeef934ed8ce34d40e6b3d613","status":"affected","version":"8d836d71e2223b8961b21112bb4ce89ef8231682","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/l2cap_sock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.90","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.90","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"3.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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()."}],"providerMetadata":{"dateUpdated":"2026-06-01T16:16:18.159Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7"},{"url":"https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1"},{"url":"https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908"},{"url":"https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d"},{"url":"https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083"},{"url":"https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767"},{"url":"https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6"},{"url":"https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613"}],"title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45836","datePublished":"2026-05-26T16:14:13.568Z","dateReserved":"2026-05-13T15:03:33.077Z","dateUpdated":"2026-06-01T16:16:18.159Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-26 17:16:50","lastModifiedDate":"2026-06-01 17:17:11","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45836","Ordinal":"1","Title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_","CVE":"CVE-2026-45836","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45836","Ordinal":"1","NoteData":"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().","Type":"Description","Title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_"}]}}}