CVE-2024-39492 mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown

What is CVE-2024-39492?

CVE-2024-39492 is a high-severity vulnerability in Linux kernel, published on 10 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown

The return value of pm_runtime_get_sync() in cmdq_mbox_shutdown() will return 1 when pm runtime state is active, and we don't want to get the warning message in this case.

So we change the return value < 0 for WARN_ON().

Weakness: CWE-252

Which versions are affected by CVE-2024-39492?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-39492?

Apply the vendor's patch.

Is CVE-2024-39492 being exploited?

There is no known exploitation of CVE-2024-39492 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-39492, DEBIAN-CVE-2024-39492, GHSA-25cx-9m6g-83wv, UBUNTU-CVE-2024-39492.