From: Juergen Gross <jgross@suse.com>
To: cve@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: CVE-2022-50495: x86/xen: Fix memory leak in xen_smp_intr_init{_pv}()
Date: Sat, 4 Oct 2025 19:30:35 +0200 [thread overview]
Message-ID: <87195904-6285-49d2-b311-b3c52526e682@suse.com> (raw)
In-Reply-To: <2025100419-CVE-2022-50495-fdee@gregkh>
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On 04.10.25 17:51, Greg Kroah-Hartman wrote:
> From: Greg Kroah-Hartman <gregkh@kernel.org>
>
> Description
> ===========
>
> In the Linux kernel, the following vulnerability has been resolved:
>
> x86/xen: Fix memory leak in xen_smp_intr_init{_pv}()
>
> These local variables @{resched|pmu|callfunc...}_name saves the new
> string allocated by kasprintf(), and when bind_{v}ipi_to_irqhandler()
> fails, it goes to the @fail tag, and calls xen_smp_intr_free{_pv}() to
> free resource, however the new string is not saved, which cause a memory
> leak issue. fix it.
>
> The Linux kernel CVE team has assigned CVE-2022-50495 to this issue.
Please revoke the CVE. This issue can't be triggered by an unprivileged user.
Juergen
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next parent reply other threads:[~2025-10-04 17:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2025100419-CVE-2022-50495-fdee@gregkh>
2025-10-04 17:30 ` Juergen Gross [this message]
2025-10-05 9:31 ` Greg KH
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