CVE-2021-47134
Linux kernel EFI FDT Invalid Pattern Handling Vulnerability
Description
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.
INFO
Published Date :
March 15, 2024, 9:15 p.m.
Last Modified :
Feb. 27, 2025, 3:20 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a non-vulnerable version.
- Reboot the system to apply the updated kernel.
Public PoC/Exploit Available at Github
CVE-2021-47134 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47134.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47134 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47134
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ini adalah repository kumpulan CVE v.5
allcve cve cvelist newcve
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47134 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47134 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 27, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.12.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 from (excluding) 5.10.43 Added Reference Type CVE: https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb Added Reference https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa Added Reference https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 15, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa [No types assigned]