CVE-2021-47372

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47372
In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use after free on rmmod plat_dev->dev->platform_data is released by platform_device_unregister(), use of pclk and hclk is a use-after-free. Since device unregister won't need a clk device we adjust the function call sequence to fix this issue. [ 31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci] [ 31.275563] Freed by task 306: [ 30.276782] platform_device_release+0x25/0x80

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

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/1da750d1e2140ef43d64d17f301ff6f41b45541e Patch
https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b Patch
https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5 Patch
https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b Patch
https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536 Patch
https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8 Patch
https://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e Patch
https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b Patch
https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5 Patch
https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b Patch
https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536 Patch
https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
History

26 Dec 2024, 17:57

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e - () https://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e - Patch
References () https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b - () https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b - Patch
References () https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5 - () https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5 - Patch
References () https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b - () https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b - Patch
References () https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536 - () https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536 - Patch
References () https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8 - () https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8 - Patch
CWE CWE-416
Information

Published : 2024-05-21 15:15

Updated : 2024-12-26 17:57

NVD link : CVE-2021-47372

Mitre link : CVE-2021-47372

CVE.ORG link : CVE-2021-47372

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free