{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43062","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.981Z","datePublished":"2026-05-05T15:17:27.830Z","dateUpdated":"2026-05-11T22:16:58.662Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:16:58.662Z"},"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":{"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"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/l2cap_core.c"],"versions":[{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"21d3ba696918d6373233aac0b9d51fcabdedddc0","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"3b94e62caa1dc1198d0d55d97bd710da1dee15d7","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"111f74547eee8cfedfb854284e80f35c8a491186","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"dd3b221e21079ade8263fbb7176f3d55ad75d3b6","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"d90150c72d2e6a8a3079e88755dafcfbe91c746d","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"5a1ea296f8589ce8f1e3141b2b123b34ad010e19","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"f110b8f58b254bf997cec1bd60701b7798e9bb82","status":"affected","versionType":"git"},{"version":"15f02b91056253e8cdc592888f431da0731337b8","lessThan":"15145675690cab2de1056e7ed68e59cbd0452529","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_core.c"],"versions":[{"version":"5.7","status":"affected"},{"version":"0","lessThan":"5.7","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.20","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.10","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"5.7","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.0"}]}]}],"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"}}}}