http://bugzilla.opensuse.org/show_bug.cgi?id=1201351 Bug ID: 1201351 Summary: MMIO Stale Data CPU bug present and SMT on, data leak possible Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: security-team@suse.de Reporter: ada.lovelace@gmx.de QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0 Build Identifier: I have updated openSUSE Tumbleweed (incl. firmware) today on my Lenovo Thinkpad T14. Then I wanted to check, whether all is fine again (after a former bug). The dmesg output is saying the following today: [ 0.116366] smp: Bringing up secondary CPUs ... [ 0.116366] x86: Booting SMP configuration: [ 0.116366] .... node #0, CPUs: #1 #2 #3 #4 [ 0.117480] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_st... for more details. [ 0.117480] #5 #6 #7 [ 0.121058] smp: Brought up 1 node, 8 CPUs It seems, that data leaks are possible at the moment. Reproducible: Always Steps to Reproduce: 1. Hardware: Lenovo ThinkPad T14 Gen 1 with Intel�� Core��� i7-10510U �� 8 2. Latest firmware updates and update of openSUSE Tumbleweed 3. dmesg output is referencing data leak Actual Results: data leak is possible Expected Results: No security issues -- You are receiving this mail because: You are on the CC list for the bug.