CVE-2021-47547

MEDIUM
Published May 24, 2024 Modified Apr 1, 2025 CWE-129

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.

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CVSS v3.1 Score

4.4
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weakness Type (CWE)

CWE-129 CWE-129

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237 https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8 https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41 https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049 https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58 https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f

Frequently Asked Questions

What is CVE-2021-47547? +
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. It has a CVSS v3.1 base score of 4.4 (MEDIUM).
How severe is CVE-2021-47547? +
CVE-2021-47547 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2021-47547? +
CVE-2021-47547 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-47547? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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