CVE-2021-47547
"Tulip Linux-out-of-bounds Array Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.
INFO
Published Date :
May 24, 2024, 3:15 p.m.
Last Modified :
April 1, 2025, 6:41 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
2.5
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-2021-47547.
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-2021-47547 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47547 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. 01, 2025
Action Type Old Value New Value Added CWE CWE-129 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.257 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.292 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.164 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.220 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.294 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.84 Added Reference Type CVE: https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f 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/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 Added Reference https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 Added Reference https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff Added Reference https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 Added Reference https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 Added Reference https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 Added Reference https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 Added Reference https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 04, 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:L/A:L -
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. 24, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound. Added Reference kernel.org https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 [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-2021-47547 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-2021-47547
weaknesses.