What is CVE-2026-43097?

CVE-2026-43097 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-05-06.

How severe is CVE-2026-43097?

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

Double Free in Linux

CVE-2026-43097

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fix double ida_free in hv_pci_probe error path If hv_pci_probe() fails after storing the domain number in hbus->bridge->domain_nr, there is a call to free this…

Vulnerability class: Double Free

EPSS: 0.000 (3.0th 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 bcce8c74f1ce1e2731ac0261287897e3768767d8, 6.19, 0
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-415 — Double Free

References

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

Frequently asked questions

What is CVE-2026-43097?: CVE-2026-43097 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-05-06.
How severe is CVE-2026-43097?: High severity. CVSS v3 base score is 7.8 out of 10.