CVE-2021-47432
"Linux Kernel Integer Overflow in Radix Tree Code"
Description
In the Linux kernel, the following vulnerability has been resolved: lib/generic-radix-tree.c: Don't overflow in peek() When we started spreading new inode numbers throughout most of the 64 bit inode space, that triggered some corner case bugs, in particular some integer overflows related to the radix tree code. Oops.
INFO
Published Date :
May 21, 2024, 4:15 p.m.
Last Modified :
April 2, 2025, 2:51 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-47432.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47432 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47432 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.
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Initial Analysis by [email protected]
Apr. 02, 2025
Action Type Old Value New Value Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.6 up to (excluding) 6.6.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.5.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.1.64 Added Reference Type CVE: https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c 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/784d01f9bbc282abb0c5ade5beb98a87f50343ac Added Reference https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0 Added Reference https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437 Added Reference https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 31, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 21, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: lib/generic-radix-tree.c: Don't overflow in peek() When we started spreading new inode numbers throughout most of the 64 bit inode space, that triggered some corner case bugs, in particular some integer overflows related to the radix tree code. Oops. Added Reference kernel.org https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47432 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-2021-47432
weaknesses.