CVE-2021-38199
⚪ Do wiadomości
Błędna kolejność ustawiania połączenia w jądrze Linux umożliwia zdalne zablokowanie montowania NFSv4.
CVSS
6.5
EPSS
1.2%
Exploit
none
Vendor
netapp
Opis źródłowy (NVD)
fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.
dos
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 6.5 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 1.2% |
| Opublikowano (NVD) | 2021-08-08 20:15:07 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-08 21:17:39 UTC |
Referencje
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 ([email protected]) [Mailing List, Patch, Vendor Advisory]
- https://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c ([email protected]) [Patch, Third Party Advisory]
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html ([email protected]) [Mailing List, Third Party Advisory]
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html ([email protected]) [Mailing List, Third Party Advisory]
- https://security.netapp.com/advisory/ntap-20210902-0010/ ([email protected]) [Third Party Advisory]
- https://www.debian.org/security/2021/dsa-4978 ([email protected]) [Third Party Advisory]