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CVE
PUBLISHED

CVE-2024-27034

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

AssignerLinux
Reserved2024-02-19
Published2024-05-01
Updated2024-07-05

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.

Product status

Default status
unaffected

4c8ff7095bef before 7d420eaaa18e
affected

4c8ff7095bef before 542c8b3c774a
affected

4c8ff7095bef before 75abfd61392b
affected

4c8ff7095bef before 2b1b14d9fc94
affected

4c8ff7095bef before 52982edfcefd
affected

4c8ff7095bef before fd244524c2cf
affected

Default status
affected

5.6
affected

Any version before 5.6
unaffected

5.15.153
unaffected

6.1.83
unaffected

6.6.23
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

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

cve.org CVE-2024-27034

nvd.nist.gov CVE-2024-27034

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