- Vulnerability/
- CVE-2024-27034
CVE-2024-27034: f2fs: compress: fix to cover normal cluster write with cp_rwsem
First published: Wed May 01 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- 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
- https://launchpad.net/bugs/cve/CVE-2024-27034
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27034
- https://nvd.nist.gov/vuln/detail/CVE-2024-27034
- https://security-tracker.debian.org/tracker/CVE-2024-27034
- https://ubuntu.com/security/CVE-2024-27034
- https://git.kernel.org/linus/fd244524c2cf07b5f4c3fe8abd6a99225c76544b
Frequently Asked Questions
What is the severity of CVE-2024-27034?
CVE-2024-27034 is considered a high severity vulnerability due to potential data corruption.
How do I fix CVE-2024-27034?
To fix CVE-2024-27034, update your Linux kernel to one of the patched versions: 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.
What versions of the Linux kernel are affected by CVE-2024-27034?
CVE-2024-27034 affects Linux kernel versions up to and including 5.10.226-1.
What does CVE-2024-27034 affect in the Linux kernel?
CVE-2024-27034 affects the f2fs compressed cluster write functionality, potentially leading to data corruption.
Is CVE-2024-27034 present in my Debian installation?
If you're running Debian with a Linux kernel version up to 5.10.226-1, you may be vulnerable to CVE-2024-27034.
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