CVE-2024-53191: wifi: ath12k: fix warning when unbinding
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp->tx_ring[i].tx_status are released. However this is released again when the device is unbinded (ath12k_pci), and we get: WARNING: CPU: 0 PID: 2098 at mm/slub.c:4689 free_large_kmalloc+0x4d/0x80 Call Trace: free_large_kmalloc ath12k_dp_free ath12k_core_deinit ath12k_pci_remove ... The issue is always reproducible from a VM because the MSI addressing initialization is failing. In order to fix the issue, just set the buffers to NULL after releasing in order to avoid the double free.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | ||
| Linux Kernel | >=6.3<6.6.64 | |
| Linux Kernel | >=6.7<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/223b546c6222d42147eff034433002ca5e2e7e09
- https://git.kernel.org/stable/c/90556b96338aa6037cd26dac857327fda7c19732
- https://git.kernel.org/stable/c/94c9100b600f05a36b33f9ed76dbd6fb0eb25386
- https://git.kernel.org/stable/c/ca68ce0d9f4bcd032fd1334441175ae399642a06
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53191
- https://nvd.nist.gov/vuln/detail/CVE-2024-53191
- https://launchpad.net/bugs/cve/CVE-2024-53191
- https://security-tracker.debian.org/tracker/CVE-2024-53191
- https://ubuntu.com/security/CVE-2024-53191
- https://git.kernel.org/linus/ca68ce0d9f4bcd032fd1334441175ae399642a06
Frequently Asked Questions
What is the severity of CVE-2024-53191?
The severity of CVE-2024-53191 is categorized as a low severity issue affecting the Linux kernel.
How do I fix CVE-2024-53191?
To fix CVE-2024-53191, it is recommended to update the Linux kernel to the latest version that includes the patch for this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-53191?
CVE-2024-53191 affects the Linux kernel versions between 6.3 and 6.6.64, as well as versions between 6.7 and 6.11.11, and from 6.12 to 6.12.2.
What type of vulnerability is CVE-2024-53191?
CVE-2024-53191 is a vulnerability related to the handling of buffer management in the ath12k Wi-Fi driver within the Linux kernel.
Is CVE-2024-53191 a hardware or software vulnerability?
CVE-2024-53191 is a software vulnerability that occurs in the Linux kernel related to the Wi-Fi driver.
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