PT-2023-9451 · Linux+4 · Linux Kernel+4
Gerald Lee
+1
·
Publicado
2023-01-17
·
Atualizado
2025-09-29
·
CVE-2022-48869
CVSS v3.1
4.7
Média
| Vetor | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A use-after-free bug has been identified in the gadgetfs driver of the Linux kernel, involving processes concurrently mounting and unmounting the gadgetfs filesystem. The bug occurs when
gadgetfs fill super() and gadgetfs kill sb() are not properly synchronized, allowing gadgetfs kill sb() to deallocate the device while gadgetfs fill super() is still using it. This issue can cause a denial of service.Recommendations
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