What is CVE-2026-46115?

CVE-2026-46115 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-28.

How severe is CVE-2026-46115?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-46115

In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovec_phys_mergeable biovec_phys_mergeable() is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically…

EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 49580e690755d0e51ed7aa2c33225dd884fa738a, 6.2, 0

References

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

Frequently asked questions

What is CVE-2026-46115?: CVE-2026-46115 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-28.
How severe is CVE-2026-46115?: Critical severity. CVSS v3 base score is 9.8 out of 10.