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Message-ID: <2024120230-CVE-2024-53103-b5ea@gregkh>
Date: Mon,  2 Dec 2024 08:29:31 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-53103: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer

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

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

hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer

When hvs is released, there is a possibility that vsk->trans may not
be initialized to NULL, which could lead to a dangling pointer.
This issue is resolved by initializing vsk->trans to NULL.

The Linux kernel CVE team has assigned CVE-2024-53103 to this issue.


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

	Fixed in 4.19.324 with commit 285266ef92f7
	Fixed in 5.4.286 with commit 4fe1d42f2acc
	Fixed in 5.10.230 with commit 414476c4fb11
	Fixed in 5.15.172 with commit 7cf259878203
	Fixed in 6.1.117 with commit 98d8dde92322
	Fixed in 6.6.61 with commit 4bdc5a62c6e5
	Fixed in 6.11.8 with commit e0fe33923712
	Fixed in 6.12.1 with commit 8621725afb38
	Fixed in 6.13-rc1 with commit e629295bd60a

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-2024-53103
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/vmw_vsock/hyperv_transport.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/285266ef92f7b4bf7d26e1e95e215ce6a6badb4a
	https://git.kernel.org/stable/c/4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d
	https://git.kernel.org/stable/c/414476c4fb11be070c09ab8f3e75c9ee324a108a
	https://git.kernel.org/stable/c/7cf25987820350cb950856c71b409e5b6eed52bd
	https://git.kernel.org/stable/c/98d8dde9232250a57ad5ef16479bf6a349e09b80
	https://git.kernel.org/stable/c/4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497
	https://git.kernel.org/stable/c/e0fe3392371293175f25028020ded5267f4cd8e3
	https://git.kernel.org/stable/c/8621725afb38e111969c64280b71480afde2aace
	https://git.kernel.org/stable/c/e629295bd60abf4da1db85b82819ca6a4f6c1e79

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