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Back to active CVEs
High · CVSS 7.8CVE-2024-27034

f2fs: compress: fix to cover normal cluster write with cp_rwsemCVE-2024-27034

Answer in brief

CVE-2024-27034 records a High severity (CVSS 7.8) vulnerability in f2fs: compress: fix to cover normal cluster write with cp_rwsem. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published May 1, 2024Updated Aug 5, 2026Source checked Nov 3, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416 || >=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <542c8b3c774a480bfd0804291a12f6f2391b0cd1 || >=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <75abfd61392b1db391bde6d738a30d685b843286 || >=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <2b1b14d9fc94b8feae20808684c8af28ec80f45b || >=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <52982edfcefd475cc34af663d5c47c0cddaa5739 || >=4c8ff7095bef64fc47e996a938f7d57f9e077da3 <fd244524c2cf07b5f4c3fe8abd6a99225c76544b7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416, 542c8b3c774a480bfd0804291a12f6f2391b0cd1, 75abfd61392b1db391bde6d738a30d685b843286, 2b1b14d9fc94b8feae20808684c8af28ec80f45b, 52982edfcefd475cc34af663d5c47c0cddaa5739, fd244524c2cf07b5f4c3fe8abd6a99225c76544b
Linux/Linuxgeneric5.6Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 1, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 3, 2026
References
6 linked sources
Open source record