What is CVE-2026-45880?

CVE-2026-45880 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-27.

How severe is CVE-2026-45880?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-45880

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails When vm_insert_page() fails in p2pmem_alloc_mmap(), p2pmem_alloc_mmap() doesn't invoke percpu_ref_put()…

EPSS: 0.002 (5.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 7e9c7ef83d785236f5a8c3761dd053fae9b92fb8, 6.2, 0
Linux Linux_kernel

References

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

Frequently asked questions

What is CVE-2026-45880?: CVE-2026-45880 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-27.
How severe is CVE-2026-45880?: Medium severity. CVSS v3 base score is 5.5 out of 10.