CVE-2026-79608 — x86/AMD: ineffectual Zenbleed workaround
The workaround for XSA-433 (Zenbleed, CVE-2023-20593) was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional wa…
Published: 2026-10-13 · CVSS: 9.8 · CVSS 3.1
The workaround for XSA-433 (Zenbleed, CVE-2023-20593) was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see: http://xenbits.xen.org/xsa/advisory-433.html
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7