What’s Vulnerable › Vulnerabilities

CVE-2021-47031: mt76: mt7921: fix memory leak in mt7921_coredump_work

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-28 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix memory leak in mt7921_coredump_work Fix possible memory leak in mt7921_coredump_work.

Affected products

• Linux kernel: from 5.12 before 5.12.4 — fixed in 5.12.4

How to fix

Upgrade to a fixed version: Linux kernel 5.12.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4811226374453607175ea057777faa7e7f752204
• https://git.kernel.org/stable/c/782b3e86ea970e899f8e723db9f64708a15ca30e
• https://git.kernel.org/stable/c/4811226374453607175ea057777faa7e7f752204
• https://git.kernel.org/stable/c/782b3e86ea970e899f8e723db9f64708a15ca30e

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