PT-2023-34946 · Linux · Linux Kernel
Published
2023-02-13
·
Updated
2023-02-13
None
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Name of the Vulnerable Software and Affected Versions
Linux Kernel versions prior to v6.1.11
Description
The issue is related to a use-after-free (UAF) problem in the
vcs read() function. This function is used to read data from a virtual console screen. The UAF occurs because the struct vc data pointer is loaded after it has already been freed. The actual impact and attack plausibility of this issue have not yet been proven.Recommendations
For Linux Kernel versions prior to v6.1.11, update to version v6.1.11 or later to resolve the issue. As a temporary workaround, consider restricting access to the
vcs read() function until a patch is available. Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Linux Kernel