linux-cve-announce - CVE-2023-53467: wifi: rtw89: fix potential leak in rtw89_append_probe_req

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Message-ID: <2025100108-CVE-2023-53467-fa4b@gregkh>
Date: Wed,  1 Oct 2025 13:42:37 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53467: wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()

From: Greg Kroah-Hartman <gregkh@...nel.org>

Description
===========

In the Linux kernel, the following vulnerability has been resolved:

wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()

Do `kfree_skb(new)` before `goto out` to prevent potential leak.

The Linux kernel CVE team has assigned CVE-2023-53467 to this issue.


Affected and fixed versions
===========================

	Issue introduced in 5.18 with commit 895907779752606f6a4795abfc008509f8e38314 and fixed in 6.1.16 with commit 1e336d6bab68973084a18c1e4bd78cd0bbbdcacd
	Issue introduced in 5.18 with commit 895907779752606f6a4795abfc008509f8e38314 and fixed in 6.2.3 with commit a10b6d73123bd480751d916575835abb615072fd
	Issue introduced in 5.18 with commit 895907779752606f6a4795abfc008509f8e38314 and fixed in 6.3 with commit 4a0e218cc9c42d1903ade8b5a371dcf48cf918c5

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-2023-53467
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:
	drivers/net/wireless/realtek/rtw89/fw.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/1e336d6bab68973084a18c1e4bd78cd0bbbdcacd
	https://git.kernel.org/stable/c/a10b6d73123bd480751d916575835abb615072fd
	https://git.kernel.org/stable/c/4a0e218cc9c42d1903ade8b5a371dcf48cf918c5