6.4
CVE-2021-37159
- EPSS 0.04%
- Veröffentlicht 21.07.2021 15:16:20
- Zuletzt bearbeitet 21.11.2024 06:14:45
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
Loginhso_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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.13.4
Debian ≫ Debian Linux Version9.0
Oracle ≫ Communications Cloud Native Core Binding Support Function Version22.1.3
Oracle ≫ Communications Cloud Native Core Network Exposure Function Version22.1.1
Oracle ≫ Communications Cloud Native Core Policy Version22.2.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.04% | 0.096 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.4 | 0.5 | 5.9 |
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 4.4 | 3.4 | 6.4 |
AV:L/AC:M/Au:N/C:P/I:P/A:P
|
CWE-415 Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.