{"id":"CVE-2023-7356","title":"Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID\n\nCopy the content of a Periodic Advertisement Report to BASE only if\nthe service UUID is Basic Au…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-120"],"vendor":"Linux","product":"Linux","affected":["Linux >= e4cfffb5ebc80820f46cf16a6fa5be1b436bdf2d < ba25efe15e8fd909884e113a86c6ccd07d88256e","Linux >= 9c0826310bfb784c9bac7d1d9454e304185446c5 < 927ef409f713929dea2b9a5ed5bb65e712be0050","Linux >= 9c0826310bfb784c9bac7d1d9454e304185446c5 < f4da3ee15de9944482382181329bb6d7335ca003","Linux >= 6.1.159 < 6.1.178","Linux 6.6"],"published":"2026-10-21","updated":"2026-10-26","sourceUpdated":"2026-10-26T06:55:41.493Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-7356","references":[{"url":"https://git.kernel.org/stable/c/ba25efe15e8fd909884e113a86c6ccd07d88256e"},{"url":"https://git.kernel.org/stable/c/927ef409f713929dea2b9a5ed5bb65e712be0050"},{"url":"https://git.kernel.org/stable/c/f4da3ee15de9944482382181329bb6d7335ca003"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-7356.json"},{"url":"https://access.redhat.com/security/cve/CVE-2023-7356"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2558312"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-7356"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-7356"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2023/CVE-2023-7356.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00285,"epssPercentile":0.2094,"ingestedAt":"2026-10-21T15:02:42.097Z","slug":"CVE-2023-7356","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID\n\nCopy the content of a Periodic Advertisement Report to BASE only if\nthe service UUID is Basic Audio Announcement Service UUID.\n\n## Affected\n\n- `Linux >= e4cfffb5ebc80820f46cf16a6fa5be1b436bdf2d < ba25efe15e8fd909884e113a86c6ccd07d88256e`\n- `Linux >= 9c0826310bfb784c9bac7d1d9454e304185446c5 < 927ef409f713929dea2b9a5ed5bb65e712be0050`\n- `Linux >= 9c0826310bfb784c9bac7d1d9454e304185446c5 < f4da3ee15de9944482382181329bb6d7335ca003`\n- `Linux >= 6.1.159 < 6.1.178`\n- `Linux 6.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-7356.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":228682,"id":"CVE-2023-7356","ts":1792844904729,"field":"cvss","old":null,"new":"8.8"},{"seq":228681,"id":"CVE-2023-7356","ts":1792844904729,"field":"severity","old":"none","new":"high"}]}