CVE-2021-37159
⚪ Do wiadomości
Błąd w hso_free_net_device w jądrze Linux prowadzi do podwójnego zwolnienia pamięci.
CVSS
6.4
EPSS
0.4%
Exploit
none
Vendor
oracle
Opis źródłowy (NVD)
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
brak
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 6.4 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 0.4% |
| Opublikowano (NVD) | 2021-07-21 15:16:20 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-08 22:17:11 UTC |
Referencje
- https://bugzilla.suse.com/show_bug.cgi?id=1188601 ([email protected])
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca ([email protected])
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145 ([email protected])
- 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-20210819-0003/ ([email protected]) [Third Party Advisory]
- https://www.oracle.com/security-alerts/cpujul2022.html ([email protected]) [Patch, Third Party Advisory]
- https://www.spinics.net/lists/linux-usb/msg202228.html ([email protected]) [Mailing List, Patch, Third Party Advisory]