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CVE-2021-47347

nvd nist
Published: May 21, 2024Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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 (8)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
8 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
Before 4.4.276
Linux Kernel
From 4.10 to 4.14.240
Linux Kernel
From 4.15 to 4.19.198
Linux Kernel
From 4.20 to 5.4.133
Linux Kernel
From 4.5 to 4.9.276
Linux Kernel
From 5.11 to 5.12.18
Linux Kernel
From 5.13 to 5.13.3
Linux Kernel
From 5.5 to 5.10.51

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (18)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
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Source: af854a3a-2127-422b-91ae-364da2661108
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Timeline

No history available yet.