CVE-2026-90421
PCI: Fix UAF when probe runs concurrent to dyn ID removal
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 17, 2026 |
| Last Updated | Oct 30, 2026 |
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Affected Versions
Linux / Linux
0994375e9614f78657031e04e30019b9cdb62795 < 74133e74619d108eeaaa787d78906314d7a7b077 0994375e9614f78657031e04e30019b9cdb62795 < d867db0a2602919510f346bc555f7b3093f6b6cc 0994375e9614f78657031e04e30019b9cdb62795 < 2cbcb0819c6367e1d5b0792a960594cc19576e23 0994375e9614f78657031e04e30019b9cdb62795 < c36816feff47f676dcc51919777d483f4146c1ee 0994375e9614f78657031e04e30019b9cdb62795 < 42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49 0994375e9614f78657031e04e30019b9cdb62795 < 3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc
Linux / Linux
2.6.30
References
git.kernel.org: https://git.kernel.org/stable/c/74133e74619d108eeaaa787d78906314d7a7b077 git.kernel.org: https://git.kernel.org/stable/c/d867db0a2602919510f346bc555f7b3093f6b6cc git.kernel.org: https://git.kernel.org/stable/c/2cbcb0819c6367e1d5b0792a960594cc19576e23 git.kernel.org: https://git.kernel.org/stable/c/c36816feff47f676dcc51919777d483f4146c1ee git.kernel.org: https://git.kernel.org/stable/c/42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49 git.kernel.org: https://git.kernel.org/stable/c/3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc