// For flags

CVE-2021-47134

efi/fdt: fix panic when no valid fdt found

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

efi/fdt: fix panic when no valid fdt found

setup_arch() would invoke efi_init()->efi_get_fdt_params(). If no
valid fdt found then initial_boot_params will be null. So we
should stop further fdt processing here. I encountered this
issue on risc-v.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: efi/fdt: corrige el pánico cuando no se encuentra un fdt válido. setup_arch() invocaría efi_init()->efi_get_fdt_params(). Si no se encuentra un fdt válido, inicial_boot_params será nulo. Por lo tanto, deberíamos detener el procesamiento adicional de fdt aquí. Encontré este problema en risc-v.

*Credits: N/A
CVSS Scores
Attack Vector
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Attack Complexity
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Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-03-04 CVE Reserved
  • 2024-03-15 CVE Published
  • 2024-03-16 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.10.43
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.10.43"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.12.10
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.12.10"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.13
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.13"
en
Affected