What is CVE-2026-64104?

CVE-2026-64104 is a high-severity vulnerability in Linux. CVSS score: 8.7/10. Published 2026-07-19.

How severe is CVE-2026-64104?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Linux

CVE-2026-64104

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Explicitly leak pages in unknown state When set_memory_{encrypted,decrypted}() fail, the user cannot know at which point the function failed, meaning th…

EPSS: 0.002 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

Affected products

Linux — versions 3e385c0d6ce88ac9916dcf84267bd5855d830748, 0b16521f95c875e79d657cb8d6911c15080dbb80, 6.13.8

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-64104?: CVE-2026-64104 is a high-severity vulnerability in Linux. CVSS score: 8.7/10. Published 2026-07-19.
How severe is CVE-2026-64104?: High severity. CVSS v3 base score is 8.7 out of 10.