CVE-2024-46868 firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire()

What is CVE-2024-46868?

CVE-2024-46868 is a medium-severity vulnerability in Linux kernel, published on 27 Sep 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:

firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire()

If the __qcuefi pointer is not set, then in the original code, we would hold onto the lock. That means that if we tried to set it later, then it would cause a deadlock. Drop the lock on the error path. That's what all the callers are expecting.

Weakness: CWE-667

Which versions are affected by CVE-2024-46868?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46868?

Apply the vendor's patch.

Is CVE-2024-46868 being exploited?

There is no known exploitation of CVE-2024-46868 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-2024-46868, DEBIAN-CVE-2024-46868, GHSA-76f2-qj4m-vmqr, UBUNTU-CVE-2024-46868.