Linux Kernel ThunderX PTP PCI Device Ref Leak in nicvf_probe
CVE-2026-98913 Published on October 23, 2026
net: thunderx: fix PTP device ref leak in nicvf_probe()
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.
Products Associated with CVE-2026-98913
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Affected Versions
Linux:- Version 4a8755096466d1002236ac7293eae821b6de87ba and below 3a2eedb172e777f2c8608395eec42250fb355dae is affected.
- Version 4a8755096466d1002236ac7293eae821b6de87ba and below c8bc44a1d86d5b432ec7f5a6f30b4e719a047374 is affected.
- Version 4a8755096466d1002236ac7293eae821b6de87ba and below df3d586ecc580623edadec71a6ffdf4c79e2a8e8 is affected.
- Version 4a8755096466d1002236ac7293eae821b6de87ba and below 916d74343cd60ef7c3d433bd417d26ba31642c09 is affected.
- Version 4a8755096466d1002236ac7293eae821b6de87ba and below 2bcf59eefb9f00a2b1d426b639ee49c305a80695 is affected.
- Version 4.16 is affected.
- Before 4.16 is unaffected.
- Version 6.1.189, <= 6.1.* is unaffected.
- Version 6.6.158, <= 6.6.* is unaffected.
- Version 6.12.111, <= 6.12.* is unaffected.
- Version 6.18.53, <= 6.18.* is unaffected.
- Version 7.2, <= * is unaffected.