- Vulnerability/
- CVE-2023-53017
CVE-2023-53017: Bluetooth: hci_sync: fix memory leak in hci_update_adv_data()
First published: Thu Mar 27 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix memory leak in hci_update_adv_data() When hci_cmd_sync_queue() failed in hci_update_adv_data(), inst_ptr is not freed, which will cause memory leak, convert to use ERR_PTR/PTR_ERR to pass the instance to callback so no memory needs to be allocated.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-53017?
CVE-2023-53017 has been classified as a medium severity vulnerability due to the potential for a memory leak in the Linux kernel.
How do I fix CVE-2023-53017?
To fix CVE-2023-53017, ensure that you update to the latest version of the Linux kernel where the vulnerability has been patched.
What systems are affected by CVE-2023-53017?
CVE-2023-53017 affects various versions of the Linux kernel that utilize Bluetooth functionalities.
What type of vulnerability is CVE-2023-53017?
CVE-2023-53017 is a memory leak vulnerability occurring in the Bluetooth component of the Linux kernel.
Is CVE-2023-53017 exploitative in nature?
CVE-2023-53017 is not directly exploitable for remote code execution but may lead to resource exhaustion due to the memory leak.
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