PT-2023-33250 · Linux · Linux Kernel

Published

2023-01-17

·

Updated

2023-01-17

None

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Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.82
Description The issue is related to a use-after-free in the tun detach() function. The actual impact and attack plausibility have not yet been proven. It was introduced in version v4.17 and fixed in Linux Kernel version v5.15.82.
Recommendations For Linux Kernel versions prior to v5.15.82, update to version v5.15.82 or later to resolve the issue. As a temporary workaround, consider restricting access to the tun detach() function until a patch is available.

Related Identifiers

GSD-2023-1000173

Affected Products

Linux Kernel