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CVE Record

CVE-2024-41015: ocfs2: add bounds checking to ocfs2_check_dir_entry()

In the Linux kernel, the following vulnerability has been resolved: ocfs2: add bounds checking to ocfs2_check_dir_entry() This adds sanity checks for ocfs2_dir_entry to make sure all members of ocfs2_dir_entry don't stray beyond valid memory region.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A Linux kernel flaw in OCFS2 directory-entry validation could allow entry fields to extend beyond expected memory boundaries. Rated 7.8/high, it may threaten confidentiality, integrity, and availability after local, low-privileged access. Systems where OCFS2 is unreachable are likely less exposed, but distribution-specific status requires confirmation.

Executive priority

Treat this as a prompt patching priority for systems using OCFS2 or allowing untrusted local access. It is high severity but not evidenced as actively exploited in the supplied sources. Scope exposure first, then apply supported kernel updates and verify the patched kernel is actually running.

Technical view

ocfs2_check_dir_entry() lacked complete bounds checks ensuring all ocfs2_dir_entry members remained within a valid memory region. Linux stable commits add the missing sanity checks. The supplied CVSS 3.1 vector is local, low complexity, low privileges, no user interaction, with high confidentiality, integrity, and availability impacts.

Likely exposure

Exposure is most relevant to affected Linux kernels where OCFS2 code is reachable. The CVSS vector indicates a local—not network-direct—attack requiring low privileges. Distribution backports may change exposure independently of the displayed kernel version, and the supplied affected-version data is not sufficiently clear for definitive package-level conclusions.

Exploitation context

The bundle marks this CVE as absent from KEV and provides no evidence of active exploitation or a public exploit. That does not prove exploitation is impossible. The local-access requirement reduces remote exposure, while the stated potential impact remains substantial if the vulnerable OCFS2 path is reached.

Researcher notes

The root issue is insufficient structural bounds validation for ocfs2_dir_entry. The supplied affected-version list contains ambiguous entries, including a repeated commit identifier and mixed version values, so avoid deriving exact vulnerable ranges from it alone. Review stable commits and distribution backport records for authoritative build-level status.

Mitigation direction

  • Apply a vendor-supported kernel update incorporating the relevant stable fix for CVE-2024-41015.
  • Check distribution advisories because vendors may backport the fix without changing to an upstream fixed version.
  • Prioritize systems using OCFS2 and systems accessible to untrusted local users.
  • Where patching is delayed, restrict unnecessary local access and follow vendor-provided mitigations.

Validation and detection

  • Inventory running kernels and identify hosts using or configured for OCFS2.
  • Compare installed packages against distribution advisories and documented backports.
  • Confirm the running kernel, not only the installed package, includes the vendor fix.
  • Reassess OCFS2-relevant hosts after remediation and document any accepted exceptions.
Prepared
Confidence
medium
Sources
5

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.

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CVE-2024-41015 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.1)
Known Exploited
No
Published

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

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.

1CVSS vectors
3Timeline events
2ADP providers
11Source links

SSVC decision data

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

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Linux

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2024-41015Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

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

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07, 23193e513d1cd69411469f028d56fd175d4a6b07unaffected
LinuxLinux2.6.24, 0, 4.19.319, 5.4.281, 5.10.223, 5.15.164, 6.1.102, 6.6.43, 6.9.12, 6.10.2, 6.11affected
Weakness

CWE details

No CWE listed

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