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CVE-2024-50204: fs: don't try and remove empty rbtree node
Description
In the Linux kernel, the following vulnerability has been resolved:
fs: don't try and remove empty rbtree node
When copying a namespace we won't have added the new copy into the
namespace rbtree until after the copy succeeded. Calling free_mnt_ns()
will try to remove the copy from the rbtree which is invalid. Simply
free the namespace skeleton directly.
Classification
CVE ID: CVE-2024-50204
Affected Products
Vendor: Linux
Product: Linux
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 5.58% (scored less or equal to compared to others)
EPSS Date: 2025-06-02 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2024-50204https://git.kernel.org/stable/c/a8b155a2c30dc9a5ba837aa5fcba9a47cc031a9b
https://git.kernel.org/stable/c/229fd15908fe1f99b1de4cde3326e62d1e892611