Messages in this thread | | | Date | Fri, 15 Jul 2022 15:19:01 -0700 | From | Pawan Gupta <> | Subject | Re: RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible! |
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On Thu, Jul 14, 2022 at 11:01:12AM +0200, Greg Kroah-Hartman wrote: > On Thu, Jul 14, 2022 at 02:15:07PM +0530, Naresh Kamboju wrote: > > Results from Linaro’s test farm. > > > > We are booting the i386 kernel on an x86 machine. > > With Spectre V2 patches merged into Linux mainline we have been noticing > > RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to > > RETBleed attacks, data leaks possible! > > That's funny. I don't think that's a valid combination that should be > cared about, but I'll leave it to Pawan to comment if it is something > that is "real" to be concerned for.
Intel is not aware of production environments that use 32-bit mode on Skylake-gen CPUs. So this should not be a concern.
Thanks, Pawan
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