CVE-2026-97421
RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz() Several corner cases, especially important on 32 bits: - umem->iova is u64, the function argument should pass in u64 or iova will be truncated - Check that the length is not too large for the iova - Check that lengths > 4G don't overflow the GENMASK
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 24, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ae3cf7d2c4d506c5c91746321644e1a08d989e2a 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5fc5b73109540809b094710fac44da81dd8a3ff8 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 09ea6837a0434fb4db99528a5055b6d822135dcf 0 < 6.12.111 0 < 6.18.53
Linux / Linux
All versions affected