KVM: s390: vsie: zero stale crypto bits (Linux Linux)
En bref
- Source
- NVD
- EPSS
- EPSS 0.13 % · centile 2 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Received
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Description
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 guest potential access to a device no longer available. Zero out the remaining bits.
Références
- https://git.kernel.org/stable/c/d110b3297f11ef227098b8a82ade2d5f123b7d2f
- https://git.kernel.org/stable/c/59d51550b5cb916bda037673a721a404b3b47a0d
- https://git.kernel.org/stable/c/f6079dca67eccb5eabef9f72437948c66dc5131f
- https://git.kernel.org/stable/c/087c19cc60a8caa1a08e1e434c8be2caf6c27733
- https://git.kernel.org/stable/c/7d23489f51109e3ebba5b5db8c5f0185af7b7fdf
- https://git.kernel.org/stable/c/935eeba276012916c76243e5cbb843efd8fdb75d
- https://git.kernel.org/stable/c/d4bcd2df6d0d2af916b4fe1a533958778ea7c45b
- https://git.kernel.org/stable/c/29b4f7bc2991313bd3e6f6fb8fdf1b173f086dd6
- https://git.kernel.org/stable/c/34d5b5b646c91cfb9338d7a12c955a70ffb8c66b
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-75098
- GCVE · GCVE-0-2026-80921
Avis du CERT-FR
- CERTFR-2026-AVI-1431 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1289 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1287 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1253 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < d110b3297f11ef227098b8a82ade2d5f123b7d2f ; affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < 59d51550b5cb916bda037673a721a404b3b47a0d ; affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < f6079dca67eccb5eabef9f72437948c66dc5131f ; affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < 087c19cc60a8caa1a08e1e434c8be2caf6c27733 ; affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < 7d23489f51109e3ebba5b5db8c5f0185af7b7fdf ; affected 6b79de4b056e5a2febc0c61233d8f0ad7868e49c < 935eeba276012916c76243e5cbb843efd8fdb75d |
| Linux · Linux | affected 4.20 ; unaffected 0 < 4.20 ; unaffected 5.10.269 ≤ 5.10.* ; unaffected 5.15.220 ≤ 5.15.* ; unaffected 6.1.187 ≤ 6.1.* ; unaffected 6.6.156 ≤ 6.6.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |