CVE-2021-47347

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

13 Nov 2024, 22:35

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: wl1251: corrige posible desbordamiento del buffer en wl1251_cmd_scan. La función wl1251_cmd_scan llama a memcpy sin comprobar la longitud. Endurecer comprobando que el largo esté dentro del tamaño máximo permitido.
CWE		CWE-120
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8

21 May 2024, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-21 15:15

Updated : 2024-11-13 22:35

NVD link : CVE-2021-47347

Mitre link : CVE-2021-47347

CVE.ORG link : CVE-2021-47347

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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