CVE-2026-97421
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Błąd w kernelu Linux w funkcji ib_umem_find_best_pgsz może prowadzić do nieprawidłowego przetwarzania adresów pamięci.
CVSS
7.8
EPSS
0.1%
Exploit
none
Vendor
Opis źródłowy (NVD)
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
brak
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 7.8 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 0.1% |
| Opublikowano (NVD) | 2026-09-24 17:17:19 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-03 11:17:54 UTC |
Referencje
- https://git.kernel.org/stable/c/09ea6837a0434fb4db99528a5055b6d822135dcf (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- https://git.kernel.org/stable/c/3014da7587ce006cd08004fd6b257626b314e0a3 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- https://git.kernel.org/stable/c/5fc5b73109540809b094710fac44da81dd8a3ff8 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- https://git.kernel.org/stable/c/ae3cf7d2c4d506c5c91746321644e1a08d989e2a (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- https://git.kernel.org/stable/c/ddccf6cc3861de2fe60986933bead79220e0d797 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- https://git.kernel.org/stable/c/e9bbb5f5349ef560ff6f0395564f04c3aa664559 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)