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CVE Record

CVE-2024-27033: f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic verify_blkaddr() will trigger panic once we inject fault into f2fs_is_valid_blkaddr(), fix to remove this unnecessary f2fs_bug_on().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue can cause a system panic in F2FS handling when block-address validation fails under fault-injection conditions. Business impact is primarily availability: affected systems may crash rather than recover cleanly. The sources do not provide a CVSS score, attack path, or evidence of exploitation.

Executive priority

Treat as an availability risk with incomplete public severity data. Prioritize routine kernel patching, with faster handling for systems where unexpected kernel panic would disrupt critical services.

Technical view

The kernel fix removes an unnecessary f2fs_bug_on() in verify_blkaddr(). The CVE description says a panic can occur after fault injection into f2fs_is_valid_blkaddr(). The affected scope is Linux kernel/F2FS, with source records listing affected kernel versions and stable commits, but distro-specific exposure is not provided.

Likely exposure

Exposure is most relevant to Linux systems running affected kernel builds with F2FS support or F2FS-mounted filesystems. The source bundle does not identify specific distributions, appliances, cloud images, or default configurations.

Exploitation context

CISA KEV is false in the provided data, and the bundle cites no active exploitation. The source describes a panic condition tied to fault injection, not a public weaponized exploit or remote attack scenario.

Researcher notes

The public description is narrow: verify_blkaddr() can panic after f2fs_is_valid_blkaddr() fault injection. No CWE, CVSS, exploitability detail, or complete product matrix is provided. Avoid assuming remote reachability without more kernel or vendor analysis.

Mitigation direction

  • Check vendor kernel advisories for CVE-2024-27033 coverage.
  • Update affected Linux kernels to builds containing the referenced stable fixes.
  • Prioritize systems using F2FS or supporting F2FS-mounted storage.
  • Track distro backports because version numbers may not map cleanly.

Validation and detection

  • Inventory Linux kernel versions across servers and endpoints.
  • Identify systems with F2FS modules loaded or F2FS filesystems mounted.
  • Confirm vendor packages reference CVE-2024-27033 or the stable commits.
  • Review crash logs for F2FS-related kernel panics.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2024-27033 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
2ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux18792e64c86dd7e34ba28e4f61faba472b7bf5fc, 18792e64c86dd7e34ba28e4f61faba472b7bf5fc, 18792e64c86dd7e34ba28e4f61faba472b7bf5fc, 18792e64c86dd7e34ba28e4f61faba472b7bf5fcunaffected
LinuxLinux6.2, 0, 6.6.23, 6.7.11, 6.8.2, 6.9affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.