CVE-2021-47347
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.8%
55.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-120
Published 2024-05-21 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| 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: wl1251: Fix possible buffer overflow in wl1251_cmd_scan Function wl1251_cmd_scan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size.
Affected
References
- https://git.kernel.org/stable/c/0f6c0488368c9ac1aa685821916fadba32f5d1ef
- https://git.kernel.org/stable/c/115103f6e3f1c26c473766c16439c7c8b235529a
- https://git.kernel.org/stable/c/302e2ee34c5f7c5d805b7f835d9a6f2b43474e2a
- https://git.kernel.org/stable/c/40af3960a15339e8bbd3be50c3bc7b35e1a0b6ea
- https://git.kernel.org/stable/c/57ad99ae3c6738ba87bad259bb57c641ca68ebf6
- https://git.kernel.org/stable/c/c5e4a10d7bd5d4f419d8b9705dff60cf69b302a1
- https://git.kernel.org/stable/c/d10a87a3535cce2b890897914f5d0d83df669c63
- https://git.kernel.org/stable/c/d3d8b9c9c7843dce31e284927d4c9904fd5a510a
- https://git.kernel.org/stable/c/d71dddeb5380613f9ef199f3e7368fd78fb1a46e
- https://git.kernel.org/stable/c/0f6c0488368c9ac1aa685821916fadba32f5d1ef
- https://git.kernel.org/stable/c/115103f6e3f1c26c473766c16439c7c8b235529a
- https://git.kernel.org/stable/c/302e2ee34c5f7c5d805b7f835d9a6f2b43474e2a
- https://git.kernel.org/stable/c/40af3960a15339e8bbd3be50c3bc7b35e1a0b6ea
- https://git.kernel.org/stable/c/57ad99ae3c6738ba87bad259bb57c641ca68ebf6
- https://git.kernel.org/stable/c/c5e4a10d7bd5d4f419d8b9705dff60cf69b302a1
- https://git.kernel.org/stable/c/d10a87a3535cce2b890897914f5d0d83df669c63
- https://git.kernel.org/stable/c/d3d8b9c9c7843dce31e284927d4c9904fd5a510a
- https://git.kernel.org/stable/c/d71dddeb5380613f9ef199f3e7368fd78fb1a46e