What is CVE-2026-45904?

CVE-2026-45904 is a medium-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-05-27.

How severe is CVE-2026-45904?

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

Vulnerability in Linux

CVE-2026-45904

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: fix recursive pci_lock_rescan_remove locking in EEH event handling The recent commit 1010b4c012b0 ("powerpc/eeh: Make EEH driver device hotplug safe") restr…

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 502f08831a9afb72dc98a56ae6504da43e93b250, f56e004b781719d8fdf6c9619b15caf2579bc1f2, 59c6d3d81d42bf543c90597b4f38c53d6874c5a1
Linux Linux_kernel

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

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

Frequently asked questions

What is CVE-2026-45904?: CVE-2026-45904 is a medium-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-05-27.
How severe is CVE-2026-45904?: Medium severity. CVSS v3 base score is 5.5 out of 10.