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CVE Record

CVE-2024-36017: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation Each attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a struct ifla_vf_vlan_info so the size of such attribute needs to be at least of sizeof(struct ifla_vf_vlan_info) which is 14 bytes. The current size validation in do_setvfinfo is against NLA_HDRLEN (4 bytes) which is less than sizeof(struct ifla_vf_vlan_info) so this validation is not enough and a too small attribute might be cast to a struct ifla_vf_vlan_info, this might result in an out of bands read access when accessing the saved (casted) entry in ivvl.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-36017 is a Linux kernel input-validation bug in network configuration handling. A malformed nested VF VLAN attribute may be treated as a larger structure than it really is, causing an out-of-bounds read. The public sources do not provide CVSS, business impact scoring, or confirmed exploitation.

Executive priority

Treat this as a kernel maintenance issue with incomplete public risk data. It should be scheduled through normal vulnerability patch cycles, with higher priority for shared infrastructure and virtualization hosts until vendor severity guidance is confirmed.

Technical view

The rtnetlink do_setvfinfo path validated nested IFLA_VF_VLAN_LIST entries against NLA_HDRLEN, not sizeof(struct ifla_vf_vlan_info). Too-small attributes could be cast to ifla_vf_vlan_info and later read out of bounds through ivvl. Linux stable commits correct validation across supported kernel lines.

Likely exposure

Exposure is limited to systems running affected Linux kernels. The provided record lists Linux kernel lines including 4.9, 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, and 6.9 as affected context, but exact distro package status must be verified.

Exploitation context

The CVE is not listed as KEV in the supplied bundle, and no cited source claims active exploitation. The sources describe an out-of-bounds read condition, but do not specify attacker privileges, remote reachability, exploit reliability, or practical impact.

Researcher notes

The key evidence is the insufficient nested attribute length check in rtnetlink. The bundle supports a fix in Linux stable branches, but does not establish exploitability, required capabilities, or impact beyond potential out-of-bounds read.

Mitigation direction

  • Apply vendor kernel updates that include the referenced Linux stable fixes.
  • For Debian LTS systems, review the cited Debian security announcements.
  • Prioritize internet-facing, multi-tenant, and virtualization-heavy Linux hosts for patch validation.
  • If no update is available, follow Linux distribution guidance for interim controls.

Validation and detection

  • Inventory running Linux kernel versions across servers, appliances, and images.
  • Compare installed kernels with vendor advisories and referenced stable commits.
  • Confirm Debian LTS hosts received the relevant DLA kernel updates.
  • Track exceptions where kernel updates require maintenance windows or reboot coordination.
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-2024-36017 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
11Source 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
LinuxLinux79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03f, 79aab093a0b5370d7fc4e99df75996f4744dc03funaffected
LinuxLinux4.9, 0, 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, 6.9affected
Weakness

CWE details

No CWE listed

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