Date: Thu, 26 May 2022 11:17:52 -0700 From: Philip Pettersson <philip.pettersson@...il.com> To: oss-security@...ts.openwall.com Cc: Solar Designer <solar@...nwall.com>, peterz@...radead.org, nslusarek@....net Subject: Re: CVE-2022-1729: race condition in Linux perf subsystem leads to local privilege escalation Hi Norbert & list, On Tue, May 24, 2022 at 3:23 PM Norbert Slusarek <nslusarek@....net> wrote: > I don't intend to share the exploit to the public, mainly because > the issue was fixed only few days ago. Instead, anyone wanting to check > his own system for the bug should resort to the attached PoC repro. I think it's important to remember that closed mailing lists filled with private/embargoed exploits become valuable targets. They have been compromised ever since Zardoz in the 1980s, vendor-sec was discontinued for the same reason. By keeping zerodays in linux-distros you paint a target on every recipient of the list. You should assume that any working exploit code you share to a mailing list will eventually fall into the hands of bad actors. Therefore, I don't think selective full-disclosure works. Regards, Philip
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