{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45834", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.077Z", "datePublished": "2026-05-26T16:14:11.198Z", "dateUpdated": "2026-10-15T01:19:36.750Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:45:52.350Z" }, "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()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/bluetooth/l2cap_sock.c" ], "versions": [ { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "1b1c0da227bf63479bac9982fc8d12df9aaea0fb", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "85426e97dc72f2088ba6d27e74cd58c3fbd43e31", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "0c17c8832562b2aac288e89cefd0f46074f54bcb", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "5105f3e6b2df619c635b5f6a49fac131a36c7952", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "c88c185ae0a1067823661b220aeea613df2c127b", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "1810e42ff6716f320c7269d5850eca48b07b7427", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "a2dcf1a61d056aef15b63c6eae9441344d624389", "status": "affected", "versionType": "git" }, { "version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc", "lessThan": "2ff1a41a912de8517b4482e946dd951b7d80edbf", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/bluetooth/l2cap_sock.c" ], "versions": [ { "version": "3.1", "status": "affected" }, { "version": "0", "lessThan": "3.1", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.10.258" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.15.209" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.1.175" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.6.140" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.12.88" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.18.30" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "7.0.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "7.1" } ] } ] } ], "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" } }, "adp": [ { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:19:36.750Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [ { "status": "affected", "version": "0", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html" } ] } ] } }