CVE-2026-90421PCI: Fix UAF when probe runs concurrent to dyn ID removal
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: PCI: Fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when dynids.lock is held, as remove_id_store() can free the node. Thus, make a copy in pci_match_device(). Also, clarify that the id parameter is only valid during probe.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 0994375e9614f78657031e04e30019b9cdb62795 before c36816feff47f676dcc51919777d483f4146c1ee; 0994375e9614f78657031e04e30019b9cdb62795 builds before 42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49; 0994375e9614f78657031e04e30019b9cdb62795 builds before 3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc | CNA record |
References
- https://git.kernel.org/stable/c/c36816feff47f676dcc51919777d483f4146c1ee
- https://git.kernel.org/stable/c/42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49
- https://git.kernel.org/stable/c/3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.