{"api_version":"1","generated_at":"2026-05-13T10:06:24+00:00","cve":"CVE-2026-43062","urls":{"html":"https://cve.report/CVE-2026-43062","api":"https://cve.report/api/cve/CVE-2026-43062.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43062","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43062"},"summary":{"title":"Bluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()\n\nl2cap_ecred_reconf_rsp() casts the incoming data to struct\nl2cap_ecred_conn_rsp (the ECRED *connection* response, 8 bytes with\nresult at offset 6) instead of struct l2cap_ecred_reconf_rsp (2 bytes\nwith result at offset 0).\n\nThis causes two problems:\n\n - The sizeof(*rsp) length check requires 8 bytes instead of the\n   correct 2, so valid L2CAP_ECRED_RECONF_RSP packets are rejected\n   with -EPROTO.\n\n - rsp->result reads from offset 6 instead of offset 0, returning\n   wrong data when the packet is large enough to pass the check.\n\nFix by using the correct type.  Also pass the already byte-swapped\nresult variable to BT_DBG instead of the raw __le16 field.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-05 16:16:15","updated_at":"2026-05-08 13:16:37"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/15145675690cab2de1056e7ed68e59cbd0452529","name":"https://git.kernel.org/stable/c/15145675690cab2de1056e7ed68e59cbd0452529","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b94e62caa1dc1198d0d55d97bd710da1dee15d7","name":"https://git.kernel.org/stable/c/3b94e62caa1dc1198d0d55d97bd710da1dee15d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/111f74547eee8cfedfb854284e80f35c8a491186","name":"https://git.kernel.org/stable/c/111f74547eee8cfedfb854284e80f35c8a491186","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f110b8f58b254bf997cec1bd60701b7798e9bb82","name":"https://git.kernel.org/stable/c/f110b8f58b254bf997cec1bd60701b7798e9bb82","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a1ea296f8589ce8f1e3141b2b123b34ad010e19","name":"https://git.kernel.org/stable/c/5a1ea296f8589ce8f1e3141b2b123b34ad010e19","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/21d3ba696918d6373233aac0b9d51fcabdedddc0","name":"https://git.kernel.org/stable/c/21d3ba696918d6373233aac0b9d51fcabdedddc0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd3b221e21079ade8263fbb7176f3d55ad75d3b6","name":"https://git.kernel.org/stable/c/dd3b221e21079ade8263fbb7176f3d55ad75d3b6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d90150c72d2e6a8a3079e88755dafcfbe91c746d","name":"https://git.kernel.org/stable/c/d90150c72d2e6a8a3079e88755dafcfbe91c746d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43062","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43062","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15f02b91056253e8cdc592888f431da0731337b8 21d3ba696918d6373233aac0b9d51fcabdedddc0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15f02b91056253e8cdc592888f431da0731337b8 3b94e62caa1dc1198d0d55d97bd710da1dee15d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15f02b91056253e8cdc592888f431da0731337b8 111f74547eee8cfedfb854284e80f35c8a491186 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15f02b91056253e8cdc592888f431da0731337b8 dd3b221e21079ade8263fbb7176f3d55ad75d3b6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.20 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.10 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43062","cve":"CVE-2026-43062","epss":"0.000250000","percentile":"0.073250000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:54"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"21d3ba696918d6373233aac0b9d51fcabdedddc0","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"3b94e62caa1dc1198d0d55d97bd710da1dee15d7","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"111f74547eee8cfedfb854284e80f35c8a491186","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"dd3b221e21079ade8263fbb7176f3d55ad75d3b6","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"d90150c72d2e6a8a3079e88755dafcfbe91c746d","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"5a1ea296f8589ce8f1e3141b2b123b34ad010e19","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"f110b8f58b254bf997cec1bd60701b7798e9bb82","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"},{"lessThan":"15145675690cab2de1056e7ed68e59cbd0452529","status":"affected","version":"15f02b91056253e8cdc592888f431da0731337b8","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.253","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.20","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.10","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()\n\nl2cap_ecred_reconf_rsp() casts the incoming data to struct\nl2cap_ecred_conn_rsp (the ECRED *connection* response, 8 bytes with\nresult at offset 6) instead of struct l2cap_ecred_reconf_rsp (2 bytes\nwith result at offset 0).\n\nThis causes two problems:\n\n - The sizeof(*rsp) length check requires 8 bytes instead of the\n   correct 2, so valid L2CAP_ECRED_RECONF_RSP packets are rejected\n   with -EPROTO.\n\n - rsp->result reads from offset 6 instead of offset 0, returning\n   wrong data when the packet is large enough to pass the check.\n\nFix by using the correct type.  Also pass the already byte-swapped\nresult variable to BT_DBG instead of the raw __le16 field."}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-08T12:40:16.025Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/21d3ba696918d6373233aac0b9d51fcabdedddc0"},{"url":"https://git.kernel.org/stable/c/3b94e62caa1dc1198d0d55d97bd710da1dee15d7"},{"url":"https://git.kernel.org/stable/c/111f74547eee8cfedfb854284e80f35c8a491186"},{"url":"https://git.kernel.org/stable/c/dd3b221e21079ade8263fbb7176f3d55ad75d3b6"},{"url":"https://git.kernel.org/stable/c/d90150c72d2e6a8a3079e88755dafcfbe91c746d"},{"url":"https://git.kernel.org/stable/c/5a1ea296f8589ce8f1e3141b2b123b34ad010e19"},{"url":"https://git.kernel.org/stable/c/f110b8f58b254bf997cec1bd60701b7798e9bb82"},{"url":"https://git.kernel.org/stable/c/15145675690cab2de1056e7ed68e59cbd0452529"}],"title":"Bluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43062","datePublished":"2026-05-05T15:17:27.830Z","dateReserved":"2026-05-01T14:12:55.981Z","dateUpdated":"2026-05-08T12:40:16.025Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-05 16:16:15","lastModifiedDate":"2026-05-08 13:16:37","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":4.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43062","Ordinal":"1","Title":"Bluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()","CVE":"CVE-2026-43062","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43062","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()\n\nl2cap_ecred_reconf_rsp() casts the incoming data to struct\nl2cap_ecred_conn_rsp (the ECRED *connection* response, 8 bytes with\nresult at offset 6) instead of struct l2cap_ecred_reconf_rsp (2 bytes\nwith result at offset 0).\n\nThis causes two problems:\n\n - The sizeof(*rsp) length check requires 8 bytes instead of the\n   correct 2, so valid L2CAP_ECRED_RECONF_RSP packets are rejected\n   with -EPROTO.\n\n - rsp->result reads from offset 6 instead of offset 0, returning\n   wrong data when the packet is large enough to pass the check.\n\nFix by using the correct type.  Also pass the already byte-swapped\nresult variable to BT_DBG instead of the raw __le16 field.","Type":"Description","Title":"Bluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()"}]}}}