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emacs 29.1 From: Ricardo Wurmus To: Tomas Volf <~@wolfsden.cz> Cc: Felix Lechner , Ryan Prior , guix-security@gnu.org, guix-devel@gnu.org Subject: Re: Backdoor in upstream xz-utils Date: Sat, 30 Mar 2024 22:02:27 +0100 In-reply-to: Message-ID: <877chja0ve.fsf@elephly.net> MIME-Version: 1.0 Content-Type: text/plain X-ZohoMailClient: External Received-SPF: pass client-ip=136.143.188.52; envelope-from=rekado@elephly.net; helo=sender4-of-o52.zoho.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Spam-Score: -10.02 X-Migadu-Queue-Id: 40DAF12277 X-Migadu-Scanner: mx12.migadu.com X-Migadu-Spam-Score: -10.02 X-TUID: gcCO/YNX3kUn Tomas Volf <~@wolfsden.cz> writes: > On 2024-03-29 13:39:59 -0700, Felix Lechner via Development of GNU Guix and the GNU System distribution. wrote: >> > Is there a way we can blacklist known bad versions? >> >> Having said all that, I am not sure Guix is affected. >> >> On my systems, the 'detect.sh' script shows no referece to liblzma in >> sshd. Everyone, please send additional reports. > > If nothing else, our xz is at 5.2.8. I think the question was if there is a way > to blacklist specific known tarball to ensure no-one updates to it by accident. The properties field on a package definition can be used to record arbitrary information, which could be read by `guix lint`. -- Ricardo