July 26, 2023, 3 p.m. |

Packet Storm packetstormsecurity.com

Debian Linux Security Advisory 5459-1 - Tavis Ormandy discovered that under specific microarchitectural circumstances, a vector register in "Zen 2" CPUs may not be written to 0 correctly. This flaw allows an attacker to leak register contents across concurrent processes, hyper threads and virtualized guests.

advisory cpus debian flaw leak linux linux security may ormandy processes register security security advisory threads under written

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