* CVE-2023-7356: Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID
@ 2026-10-21 14:59 Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2026-10-21 14:59 UTC (permalink / raw)
To: linux-cve-announce; +Cc: Greg Kroah-Hartman
From: Greg Kroah-Hartman <gregkh@kernel.org>
Description
===========
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID
Copy the content of a Periodic Advertisement Report to BASE only if
the service UUID is Basic Audio Announcement Service UUID.
The Linux kernel CVE team has assigned CVE-2023-7356 to this issue.
Affected and fixed versions
===========================
Fixed in 6.1.178 with commit ba25efe15e8fd909884e113a86c6ccd07d88256e
Fixed in 6.6.145 with commit 927ef409f713929dea2b9a5ed5bb65e712be0050
Fixed in 6.7 with commit f4da3ee15de9944482382181329bb6d7335ca003
Please see https://www.kernel.org for a full list of currently supported
kernel versions by the kernel community.
Unaffected versions might change over time as fixes are backported to
older supported kernel versions. The official CVE entry at
https://cve.org/CVERecord/?id=CVE-2023-7356
will be updated if fixes are backported, please check that for the most
up to date information about this issue.
Affected files
==============
The file(s) affected by this issue are:
net/bluetooth/iso.c
Mitigation
==========
The Linux kernel CVE team recommends that you update to the latest
stable kernel version for this, and many other bugfixes. Individual
changes are never tested alone, but rather are part of a larger kernel
release. Cherry-picking individual commits is not recommended or
supported by the Linux kernel community at all. If however, updating to
the latest release is impossible, the individual changes to resolve this
issue can be found at these commits:
https://git.kernel.org/stable/c/ba25efe15e8fd909884e113a86c6ccd07d88256e
https://git.kernel.org/stable/c/927ef409f713929dea2b9a5ed5bb65e712be0050
https://git.kernel.org/stable/c/f4da3ee15de9944482382181329bb6d7335ca003
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2026-10-21 14:59 CVE-2023-7356: Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID Greg Kroah-Hartman
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