CVE-2023-52681: efivarfs: Free s_fs_info on unmount

Description

In the Linux kernel, the following vulnerability has been resolved:

efivarfs: Free s_fs_info on unmount

Now that we allocate a s_fs_info struct on fs context creation, we
should ensure that we free it again when the superblock goes away.

Classification

CVE ID: CVE-2023-52681

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.81% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03
https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c
https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3
https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b

Timeline