Description

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

f2fs: compress: fix to cover normal cluster write with cp_rwsem

When we overwrite compressed cluster w/ normal cluster, we should
not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data
will be corrupted if partial blocks were persisted before CP & SPOR,
due to cluster metadata wasn't updated atomically.

Classification

CVE ID: CVE-2024-27034

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.41% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416
https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1
https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286
https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b
https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739
https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b

Timeline