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CVE Record

CVE-2024-41016: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()

In the Linux kernel, the following vulnerability has been resolved: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() xattr in ocfs2 maybe 'non-indexed', which saved with additional space requested. It's better to check if the memory is out of bound before memcmp, although this possibility mainly comes from crafted poisonous images.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-41016 is a Linux kernel OCFS2 filesystem bug involving unsafe memory comparison around extended attributes. The source says the likely trigger is a crafted malicious filesystem image. Business urgency depends on whether your systems mount OCFS2 volumes or process untrusted disk images.

Executive priority

Treat this as targeted patch-management work, not an emergency from the provided evidence. Prioritize storage clusters, appliances, and image-processing environments where OCFS2 or untrusted filesystem images are realistic.

Technical view

The flaw is in ocfs2_xattr_find_entry(), where non-indexed OCFS2 xattrs with extra allocated space could lead to an out-of-bounds memory access before memcmp. Upstream stable commits add stricter bounds checking. The sources do not provide CVSS, CWE, or detailed impact beyond the bounds issue.

Likely exposure

Exposure is most plausible on Linux systems that use OCFS2 or mount attacker-controlled or untrusted OCFS2 filesystem images. General Linux systems with no OCFS2 use and no untrusted image handling appear less likely to be exposed, based on the provided description.

Exploitation context

No CISA KEV listing is provided, and the source bundle does not claim active exploitation. The kernel description frames the risk as mainly from crafted poisonous images, suggesting exploitation likely requires convincing a vulnerable system to mount or inspect a malicious OCFS2 image.

Researcher notes

The source bundle lacks CVSS, CWE, and detailed impact characterization. Validate by mapping kernel version or distro advisory status to the stable commits. Avoid assuming remote exploitability; the public description points to crafted filesystem images as the main concern.

Mitigation direction

  • Apply vendor or distribution kernel updates that include the referenced stable fixes.
  • Prioritize hosts using OCFS2 or handling untrusted filesystem images.
  • Restrict mounting of untrusted OCFS2 images where operationally feasible.
  • Check Debian, Linux stable, and device vendor advisories for packaged fixes.

Validation and detection

  • Inventory Linux kernel versions across systems using OCFS2.
  • Check whether OCFS2 modules, mounts, or packages are present.
  • Confirm installed kernels include the relevant stable fix commits or distro backports.
  • Review workflows that mount customer, forensic, or externally supplied disk images.
Prepared
Confidence
medium
Sources
12

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-2024-41016 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
3ADP providers
12Source 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

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc
siemens-SADPADP container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxcf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87, cf1d6c763fbcb115263114302485ad17e7933d87unaffected
LinuxLinux2.6.28, 0, 4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.112, 6.6.53, 6.10.12, 6.11affected
Weakness

CWE details

No CWE listed

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