What’s Vulnerable › Vulnerabilities

CVE-2024-27049: wifi: mt76: mt7925e: fix use-after-free in free_irq()

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-01 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925e: fix use-after-free in free_irq() From commit a304e1b82808 ("[PATCH] Debug shared irqs"), there is a test to make sure the shared irq handler should be able to handle the unexpected event after deregistration. For this case, let's apply MT76_REMOVED flag to indicate the device was removed and do not run into the resource access anymore.

Affected products

• Linux kernel: from 6.7 before 6.7.11; from 6.8 before 6.8.2 — fixed in 6.7.11, 6.8.2

How to fix

Upgrade to a fixed version: Linux kernel 6.7.11, 6.8.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6d9930096e1f13cf6d9aabfbf95d0e05fb04144f
• https://git.kernel.org/stable/c/84470b48af03a818039d587478b415cbcb264ff5
• https://git.kernel.org/stable/c/a5a5f4413d91f395cb2d89829d376d7393ad48b9
• https://git.kernel.org/stable/c/6d9930096e1f13cf6d9aabfbf95d0e05fb04144f
• https://git.kernel.org/stable/c/84470b48af03a818039d587478b415cbcb264ff5
• https://git.kernel.org/stable/c/a5a5f4413d91f395cb2d89829d376d7393ad48b9

Get alerted when CVE-2024-27049 or the next vulnerability affects your stack