CVE-2021-47352
Medium
Elevated severity or exploit probability.
CVSS base
8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
18.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2024-05-21 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-05-21 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.
Affected
References
- https://git.kernel.org/stable/c/3133e01514c3c498f2b01ff210ee6134b70c663c
- https://git.kernel.org/stable/c/ad993a95c508417acdeb15244109e009e50d8758
- https://git.kernel.org/stable/c/ba710baa1cc1b17a0483f7befe03e696efd17292
- https://git.kernel.org/stable/c/c1b40d1959517ff2ea473d40eeab4691d6d62462
- https://git.kernel.org/stable/c/c92298d228f61589dd21657af2bea95fc866b813
- https://git.kernel.org/stable/c/3133e01514c3c498f2b01ff210ee6134b70c663c
- https://git.kernel.org/stable/c/ad993a95c508417acdeb15244109e009e50d8758
- https://git.kernel.org/stable/c/ba710baa1cc1b17a0483f7befe03e696efd17292
- https://git.kernel.org/stable/c/c92298d228f61589dd21657af2bea95fc866b813