{"api_version":"1","generated_at":"2026-06-03T01:32:14+00:00","cve":"CVE-2026-45834","urls":{"html":"https://cve.report/CVE-2026-45834","api":"https://cve.report/api/cve/CVE-2026-45834.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45834","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45834"},"summary":{"title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_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 17:16:48","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":"1b1c0da227bf63479bac9982fc8d12df9aaea0fb","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"85426e97dc72f2088ba6d27e74cd58c3fbd43e31","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"0c17c8832562b2aac288e89cefd0f46074f54bcb","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"5105f3e6b2df619c635b5f6a49fac131a36c7952","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"c88c185ae0a1067823661b220aeea613df2c127b","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"1810e42ff6716f320c7269d5850eca48b07b7427","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"a2dcf1a61d056aef15b63c6eae9441344d624389","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","versionType":"git"},{"lessThan":"2ff1a41a912de8517b4482e946dd951b7d80edbf","status":"affected","version":"89bc500e41fc5b48e0573e6b0d927fc97b8951dc","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":"3.1"},{"lessThan":"3.1","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":"6.12.88","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":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.88","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"3.1","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_state_change_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb()."}],"providerMetadata":{"dateUpdated":"2026-06-01T16:16:13.716Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb"},{"url":"https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31"},{"url":"https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb"},{"url":"https://git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952"},{"url":"https://git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b"},{"url":"https://git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427"},{"url":"https://git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389"},{"url":"https://git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf"}],"title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45834","datePublished":"2026-05-26T16:14:11.198Z","dateReserved":"2026-05-13T15:03:33.077Z","dateUpdated":"2026-06-01T16:16:13.716Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-26 17:16:48","lastModifiedDate":"2026-06-01 17:17:11","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45834","Ordinal":"1","Title":"Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_","CVE":"CVE-2026-45834","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45834","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_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_state_change_"}]}}}