Denial of service in Linux kernel Bluetooth
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-23002 |
| CWE-ID | CWE-466 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Return of pointer value outside of expected range
EUVDB-ID: #VU74128
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-23002
CWE-ID:
CWE-466 - Return of pointer value outside of expected range
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exist due to the devm_gpiod_get_index_optional() function in drivers/bluetooth/hci_qca.c misinterprets the return value. A local user can perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsLinux kernel: before 5.16.3
External linkshttp://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
http://github.com/torvalds/linux/commit/6845667146a28c09b5dfc401c1ad112374087944
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
