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Vulnerability record · CVE-2023-53554 · published 4 October 2025

CVE-2023-53554: Linux kernel out-of-bounds write vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() The "exc->key_len" is a u16 that comes from the user. If it's over IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.

7.8 CVSS 3.1 High EPSS 0.18% · top 93.1% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
4 Aug 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() The "exc->key_len" is a u16 that comes from the user. If it's over IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/5373a1aa91b2298f9305794b8270cf9896be96b6 Patch
https://git.kernel.org/stable/c/5f1c7031e044cb2fba82836d55cc235e2ad619dc Patch
https://git.kernel.org/stable/c/663fff29fd613e2b0d30c4138157312ba93c4939 Patch
https://git.kernel.org/stable/c/7ae9f55a495077f838bab466411ee6f38574df9b Patch
https://git.kernel.org/stable/c/9496fb96ddeb740dc6b966f4a7d8dfb8b93921c6 Patch
https://git.kernel.org/stable/c/b1b04b56745bc79286c80aa876fabfab1e08ebf1 Patch
https://git.kernel.org/stable/c/baf420e30364ef9efe3e29a5c0e01e612aebf3fe Patch
https://git.kernel.org/stable/c/caac4b6c15b66feae4d83f602e1e46f124540202 Patch

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Source: NIST National Vulnerability Database (record CVE-2023-53554), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.