What is CVE-2026-52959?

CVE-2026-52959 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-06-24.

How severe is CVE-2026-52959?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-52959

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST), get_ext_report() allocates…

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 3e385c0d6ce88ac9916dcf84267bd5855d830748, 0b16521f95c875e79d657cb8d6911c15080dbb80, 6.13.8
Linux Linux_kernel — versions 6.14, 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-52959?: CVE-2026-52959 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-06-24.
How severe is CVE-2026-52959?: High severity. CVSS v3 base score is 7.8 out of 10.