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CVE Vulnerability Details :
CVE-2021-47273
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-21 May, 2024 | 14:20
Updated At-04 May, 2025 | 07:07
Rejected At-
▼CVE Numbering Authority (CNA)
usb: dwc3-meson-g12a: fix usb2 PHY glue init when phy0 is disabled

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 ...

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/usb/dwc3/dwc3-meson-g12a.c
Default Status
unaffected
Versions
Affected
  • From 013af227f58a97ffc61b99301f8f4448dc7e7f55 before 750a0d75564293be3ed50f13ef7f38ab75106421 (git)
  • From 013af227f58a97ffc61b99301f8f4448dc7e7f55 before d8dd3754e707104a34f8ec595034d503ea8871a2 (git)
  • From 013af227f58a97ffc61b99301f8f4448dc7e7f55 before 4d2aa178d2ad2fb156711113790dde13e9aa2376 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/usb/dwc3/dwc3-meson-g12a.c
Default Status
affected
Versions
Affected
  • 5.8
Unaffected
  • From 0 before 5.8 (semver)
  • From 5.10.44 through 5.10.* (semver)
  • From 5.12.11 through 5.12.* (semver)
  • From 5.13 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/750a0d75564293be3ed50f13ef7f38ab75106421
N/A
https://git.kernel.org/stable/c/d8dd3754e707104a34f8ec595034d503ea8871a2
N/A
https://git.kernel.org/stable/c/4d2aa178d2ad2fb156711113790dde13e9aa2376
N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/750a0d75564293be3ed50f13ef7f38ab75106421
x_transferred
https://git.kernel.org/stable/c/d8dd3754e707104a34f8ec595034d503ea8871a2
x_transferred
https://git.kernel.org/stable/c/4d2aa178d2ad2fb156711113790dde13e9aa2376
x_transferred
Details not found