CVE-2026-80921

creationtimestamp| type| source ---|---|--- 2026-09-10 15:40:23+00:00| seen| https://infosec.exchange/users/vuldb/statuses/117247496893618248 2026-10-01 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities20261002...

UBUNTU-CVE-2026-80921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb crycb 0 or 1, the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and thus in the apcb. This gives a nested...