linux-kernel - Re: CVE-2021-47543: perf report: Fix memory leaks around perf

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Message-ID: <2024061337-delegator-chafe-bf6d@gregkh>
Date: Thu, 13 Jun 2024 16:00:21 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Michal Hocko <mhocko@...e.com>
Cc: cve@...nel.org, linux-kernel@...r.kernel.org,
	linux-cve-announce@...r.kernel.org, Tony Jones <tonyj@...e.de>
Subject: Re: CVE-2021-47543: perf report: Fix memory leaks around perf_tip()

On Mon, Jun 10, 2024 at 10:34:04AM +0200, Michal Hocko wrote:
> As far as I understand this is a bug in perf (userspace tool). This can
> occur when running 'perf report' which has a generally short lived
> lifespan. Is this really a CVE fix? What is the actual security threat?

You are correct, now rejected.

> Btw. CVE-2021-47545 is another one matcing the same pattern.

Thank you for noticing, also now rejected.

greg k-h