Executive Summary

Informations
Name CVE-2021-47273 First vendor Publication 2024-05-21
Vendor Cve Last vendor Modification 2024-12-26

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel, the following vulnerability has been resolved:

usb: dwc3-meson-g12a: fix usb2 PHY glue init when phy0 is disabled

When only PHY1 is used (for example on Odroid-HC4), the regmap init code uses the usb2 ports when doesn't initialize the PHY1 regmap entry.

This fixes: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 ... pc : regmap_update_bits_base+0x40/0xa0 lr : dwc3_meson_g12a_usb2_init_phy+0x4c/0xf8 ... Call trace: regmap_update_bits_base+0x40/0xa0 dwc3_meson_g12a_usb2_init_phy+0x4c/0xf8 dwc3_meson_g12a_usb2_init+0x7c/0xc8 dwc3_meson_g12a_usb_init+0x28/0x48 dwc3_meson_g12a_probe+0x298/0x540 platform_probe+0x70/0xe0 really_probe+0xf0/0x4d8 driver_probe_device+0xfc/0x168 ...

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47273

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3464

Sources (Detail)

https://git.kernel.org/stable/c/4d2aa178d2ad2fb156711113790dde13e9aa2376
https://git.kernel.org/stable/c/750a0d75564293be3ed50f13ef7f38ab75106421
https://git.kernel.org/stable/c/d8dd3754e707104a34f8ec595034d503ea8871a2
Source Url

Alert History

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Date Informations
2025-03-29 02:57:37
  • Multiple Updates
2025-03-28 13:28:00
  • Multiple Updates
2025-03-28 02:42:30
  • Multiple Updates
2025-03-18 02:50:17
  • Multiple Updates
2025-03-14 02:40:20
  • Multiple Updates
2025-01-08 02:34:57
  • Multiple Updates
2025-01-07 02:34:33
  • Multiple Updates
2024-12-27 00:20:55
  • Multiple Updates
2024-11-25 09:25:28
  • Multiple Updates
2024-05-21 21:27:27
  • First insertion