July 31, 2023, 4:27 p.m. |

Packet Storm packetstormsecurity.com

Debian Linux Security Advisory 5462-1 - Tavis Ormandy discovered that under specific microarchitectural circumstances, a vector register in AMD "Zen 2" CPUs may not be written to 0 correctly. This flaw allows an attacker to leak sensitive information across concurrent processes, hyper threads and virtualized guests.

advisory amd cpus debian flaw information leak linux linux security may ormandy processes register security security advisory sensitive information tavis ormandy threads under written zen 2

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