CVE-2024-27034
Published: May 2, 2024Last modified: May 2, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.89-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b
- https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739
- https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1
- https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286
- https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416
- https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b