PT-2023-9333 · Linux+4 · Linux Kernel+4
Krzysztof Kozlowski
·
Publicado
2023-01-17
·
Atualizado
2025-09-29
·
CVE-2022-48878
CVSS v3.1
7.8
Alta
| Vetor | AV: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.
Exploit
Use After Free
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Astra Linux
Linux Kernel
Red Os
Suse