What’s Vulnerable › Vulnerabilities

CVE-2026-98913: net: thunderx: fix PTP device ref leak in nicvf_probe()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-23 · updated 2026-10-26

Description

In the Linux kernel, the following vulnerability has been resolved: net: thunderx: fix PTP device ref leak in nicvf_probe() cavium_ptp_get() acquires a reference to the PTP PCI device through pci_get_device(). If any initialization step fails after cavium_ptp_get(), the PTP PCI device reference is leaked. Add a common error path to release the PTP reference before returning from probe failures.

Affected products

• Linux kernel: before 6.1.189; before 6.6.158; before 6.12.111; before 6.18.53 — fixed in 6.1.189, 6.12.111, 6.18.53, 6.6.158, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.189, 6.12.111, 6.18.53, 6.6.158. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2bcf59eefb9f00a2b1d426b639ee49c305a80695
• https://git.kernel.org/stable/c/3a2eedb172e777f2c8608395eec42250fb355dae
• https://git.kernel.org/stable/c/916d74343cd60ef7c3d433bd417d26ba31642c09
• https://git.kernel.org/stable/c/c8bc44a1d86d5b432ec7f5a6f30b4e719a047374
• https://git.kernel.org/stable/c/df3d586ecc580623edadec71a6ffdf4c79e2a8e8

Get alerted when CVE-2026-98913 or the next vulnerability affects your stack