Es gibt wohl mal wieder einen neuen #CPUBug in Prozessoren von #Intel - #CVE-2022-40982 aka INTEL-SA-00828 erlaubt es Daten anderer Nutzer auf dem selben System auszulesen. Betroffen sind CPUs zwischen #Skylake und #TigerLage. As usual gibt es für supportete CPUs einen neuen Microcode, der einen Workaround implementiert (und Performance kostet)

https://downfall.page/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00828.html

The Best #Linux 6.2 Features From @IntelGraphics Arc Graphics To Better Performance For Older (@Intel #Skylake era) PCs

-- A lot of exciting changes in Linux 6.2 that is due out as stable this Sunday.

https://www.phoronix.com/news/Linux-6.2-Features-Reminder

Original tweet : https://twitter.com/phoronix/status/1626618354348720141

Call Depth Tracking Coming To #Linux 6.2 To Help Recover Performance On #Intel #Skylake-Era CPUs

-- Much less costly than IBRS in light of #Retbleed. Benchmarks coming.

https://www.phoronix.com/news/Call-Depth-Tracking-Linux-6.2

Original tweet : https://twitter.com/phoronix/status/1602984970838052865

Call Depth Tracking Aligning For #Linux 6.2 To Lessen Mitigation Performance Hit For #Intel #Skylake
https://www.phoronix.com/news/Call-Depth-Tracking-6.2

Original tweet : https://twitter.com/phoronix/status/1582780402141626369