CVE-2024-27034

MEDIUM

Linux kernel - Buffer Overflow

Title source: llm

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.

References (6)

[Patch] https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b

[Patch] https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739

[Patch] https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1

[Patch] https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286

[Patch] https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416

[Patch] https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 1.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Status published

Affected Products (6)

linux/linux_kernel < 5.15.153

linux/Kernel < 5.15.153linux

linux/Kernel < 6.1.83linux

linux/Kernel < 6.6.23linux

linux/Kernel < 6.7.11linux

linux/Kernel < 6.8.2linux

Timeline

Published May 01, 2024

Tracked Since Feb 18, 2026