What’s Vulnerable › Vulnerabilities

CVE-2023-53808: wifi: mwifiex: fix memory leak in mwifiex_histogram_read()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-09 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix memory leak in mwifiex_histogram_read() Always free the zeroed page on return from 'mwifiex_histogram_read()'.

Affected products

• Linux kernel: 4.0 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0c4240d23db525208fd40dd6371ca3254fa1b93d
• https://git.kernel.org/stable/c/308eb3a609ac39ca9c3e466b35e8825007c8d826
• https://git.kernel.org/stable/c/5d66b32a6ecf2e2e1a9523eaa4f8b314832fe06c
• https://git.kernel.org/stable/c/7be90670b967d11f53a9d45bc88fa8ac9daf9709
• https://git.kernel.org/stable/c/84081b4baafb49211193c6a056d5aee9c0e6ab8e
• https://git.kernel.org/stable/c/8f717752f94efae84853e17f2589665c330a0cf5
• https://git.kernel.org/stable/c/9c8fd72a5c2a031cbc680a2990107ecd958ffcdb
• https://git.kernel.org/stable/c/d3b53ac2b60283f84bcc650aaa8af98500f37b56
• https://git.kernel.org/stable/c/f76e1da838377777557d78dfeb6d8c532f7118be

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