PT-2023-35119 · 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 5.15.86 through 5.15.92
Description
The issue is related to a use-after-free (UAF) bug in the
bic set bfqq() function, specifically affecting the bfqq in the block, bfq. This problem was introduced in version v5.15.86 and is fixed in version v5.15.93. The actual impact and potential for attack have not been fully determined.Recommendations
For Linux Kernel versions 5.15.86 through 5.15.92, update to version v5.15.93 or later to resolve the issue. As a temporary workaround, consider restricting access to the
bic set bfqq() function until a patch is applied. Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Linux Kernel