linux-cve-announce - CVE-2023-53290: samples/bpf: Fix fout leak in hbm's run_bpf

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Message-ID: <2025091626-CVE-2023-53290-34e0@gregkh>
Date: Tue, 16 Sep 2025 10:11:40 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53290: samples/bpf: Fix fout leak in hbm's run_bpf_prog

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

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

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

samples/bpf: Fix fout leak in hbm's run_bpf_prog

Fix fout being fopen'ed but then not subsequently fclose'd. In the affected
branch, fout is otherwise going out of scope.

The Linux kernel CVE team has assigned CVE-2023-53290 to this issue.


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

	Fixed in 5.4.244 with commit a7ec2f424f6edad34651137783a0a59eca9aa37e
	Fixed in 5.10.181 with commit 7560ed6592ff4077528c239c71e91b19de985b97
	Fixed in 5.15.113 with commit e3e6e252d74f20f6fc610c7fef3ae7dda0109a6f
	Fixed in 6.1.30 with commit f2065b8b0a215bc6aa061287a2e3d9eab2446422
	Fixed in 6.3.4 with commit edf37bc8b03d3f948e679b2fd2d14464495f5d1b
	Fixed in 6.4 with commit 23acb14af1914010dd0aae1bbb7fab28bf518b8e

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-2023-53290
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:
	samples/bpf/hbm.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/a7ec2f424f6edad34651137783a0a59eca9aa37e
	https://git.kernel.org/stable/c/7560ed6592ff4077528c239c71e91b19de985b97
	https://git.kernel.org/stable/c/e3e6e252d74f20f6fc610c7fef3ae7dda0109a6f
	https://git.kernel.org/stable/c/f2065b8b0a215bc6aa061287a2e3d9eab2446422
	https://git.kernel.org/stable/c/edf37bc8b03d3f948e679b2fd2d14464495f5d1b
	https://git.kernel.org/stable/c/23acb14af1914010dd0aae1bbb7fab28bf518b8e