PT-2023-9333
CVE-2022-48878
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Published
2023-01-17
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Updated
2025-09-29
Description by
CVSS 3.1
7.8
HighMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.1.0-rt5-00325-g8a5f56bcfcca #8
Description
The issue is related to a use-after-free vulnerability in the Linux kernel, specifically in the hci qca driver. This vulnerability occurs when the driver shutdown callback is invoked on a closed serdev, causing a use-after-free error during system reboot with Qualcomm Atheros Bluetooth. The vulnerability can be exploited to impact the confidentiality, integrity, and availability of protected information.
Recommendations
To resolve this issue, update the Linux kernel to a version that includes the fix for the hci qca driver shutdown callback.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Researchers
Vendors
Affected products
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