CVE-2026-72329
In the Linux kernel, the following vulnerability has been resolved: net/liquidio: drop cached VF pci_dev LUT The PF SR-IOV enable path caches VF pci_dev pointers in dpiring_to_vfpcidev_lut[] by iterating with pci_get_device(). Those entries do not own a reference, because the iterator drops the previous device reference on each step. The cached pointer is then dereferenced later when handling OCTEON_VF_FLR_REQUEST. Replace the cached VF mapping with runtime lookup on the mailbox DPI ring: derive the VF index from q_no, resolve the VF via exported PCI IOV helpers, validate it with the PF pointer and VF ID, then issue pcie_flr() and drop the reference with pci_dev_put(). Remove the unused VF lookup table initialization and cleanup.
Affected versions
Linux kernel versions
4.10
and later are affected. Fixed in
7.1.5,
7.2-rc3
and their respective stable series.
References
2 totalFrequently asked questions
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What is CVE-2026-72329?
CVE-2026-72329 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.10 onward and has been patched in 7.1.5 and 7.2-rc3. CVE-2026-72329 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-72329?
Yes. CVE-2026-72329 has been patched. Fixed versions include 7.1.5 and 7.2-rc3. If you are running Linux kernel 4.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-72329 actively exploited?
No. CVE-2026-72329 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.