linux-kernel - Re: CVE-2024-53144: Bluetooth: hci_event: Align BR/EDR JUST

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Message-ID: <Z2Gv3Nhye80RUQ7n@eldamar.lan>
Date: Tue, 17 Dec 2024 18:07:40 +0100
From: Salvatore Bonaccorso <carnil@...ian.org>
To: cve@...nel.org, linux-kernel@...r.kernel.org
Cc: linux-cve-announce@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: CVE-2024-53144: Bluetooth: hci_event: Align BR/EDR JUST_WORKS
 paring with LE

Hi Greg,

On Tue, Dec 17, 2024 at 04:55:10PM +0100, Greg Kroah-Hartman wrote:
> Description
> ===========
> 
> In the Linux kernel, the following vulnerability has been resolved:
> 
> Bluetooth: hci_event: Align BR/EDR JUST_WORKS paring with LE
> 
> This aligned BR/EDR JUST_WORKS method with LE which since 92516cd97fd4
> ("Bluetooth: Always request for user confirmation for Just Works")
> always request user confirmation with confirm_hint set since the
> likes of bluetoothd have dedicated policy around JUST_WORKS method
> (e.g. main.conf:JustWorksRepairing).
> 
> CVE: CVE-2024-8805
> 
> The Linux kernel CVE team has assigned CVE-2024-53144 to this issue.
> 
> 
> Affected and fixed versions
> ===========================
> 
> 	Issue introduced in 3.16 with commit ba15a58b179e and fixed in 6.1.113 with commit d17c631ba04e
> 	Issue introduced in 3.16 with commit ba15a58b179e and fixed in 6.6.55 with commit 830c03e58beb
> 	Issue introduced in 3.16 with commit ba15a58b179e and fixed in 6.10.14 with commit ad7adfb95f64
> 	Issue introduced in 3.16 with commit ba15a58b179e and fixed in 6.11.3 with commit 5291ff856d2c
> 	Issue introduced in 3.16 with commit ba15a58b179e and fixed in 6.12 with commit b25e11f978b6
> 	Issue introduced in 3.2.61 with commit 373d1dfcffc6
> 	Issue introduced in 3.4.98 with commit bc96ff59b2f1
> 	Issue introduced in 3.10.48 with commit 6ab84785311d
> 	Issue introduced in 3.12.25 with commit 778763287ded
> 	Issue introduced in 3.14.12 with commit 9a5fcacabde0
> 	Issue introduced in 3.15.5 with commit 039da39a6161
> 
> 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-2024-53144
> 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/hci_event.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/d17c631ba04e960eb6f8728b10d585de20ac4f71
> 	https://git.kernel.org/stable/c/830c03e58beb70b99349760f822e505ecb4eeb7e
> 	https://git.kernel.org/stable/c/ad7adfb95f64a761e4784381e47bee1a362eb30d
> 	https://git.kernel.org/stable/c/5291ff856d2c5177b4fe9c18828312be30213193
> 	https://git.kernel.org/stable/c/b25e11f978b63cb7857890edb3a698599cddb10e

I asume that https://www.zerodayinitiative.com/advisories/ZDI-24-1229/
back then which has referenced CVE-2024-8805 is cosindered invalid
right?

Cc'ing 	zdi@...ndmicro.com 

Regards,
Salvatore