CVE-2024-34027
Published: June 26, 2024Last modified: June 26, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.97-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019
- https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b
- https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f
- https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4
- https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b
- https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182