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CVE Record

CVE-2024-27017: netfilter: nft_set_pipapo: walk over current view on netlink dump

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure is to be used. Add notation to specify if user wants to read/update the set. Based on patch from Florian Westphal.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel netfilter/nftables flaw in the pipapo set backend. The public record says a data view can change while a netlink dump is running, so the kernel may walk the wrong current view. Business urgency depends on whether affected Linux kernels and nftables features are in use.

Executive priority

Handle through normal kernel patch management unless local evidence shows heavy nftables use or exposed critical infrastructure. There is no source-backed active exploitation signal, but kernel flaws can carry high operational risk when left unpatched.

Technical view

CVE-2024-27017 concerns nft_set_pipapo iteration during netlink dump. The generation mask may change during the dump, so the iterator cannot infer which data structure view to use. Linux stable commits add explicit read/update notation. The bundle provides no CVSS, CWE, or detailed impact statement.

Likely exposure

Exposure is most plausible on Linux systems running affected kernel versions where netfilter/nftables pipapo sets are available or used. The bundle lists Linux as affected and includes Debian and Fedora kernel update advisories, but does not define exact configuration prerequisites.

Exploitation context

The bundle marks CISA KEV as false and provides no cited evidence of active exploitation, public exploit code, or weaponized attacks. Treat this as a kernel correctness/security fix with unclear impact rather than a confirmed exploited vulnerability.

Researcher notes

The record is sparse: no CVSS, CWE, exploitability narrative, or explicit impact class. Analysis should focus on the stable patch behavior, affected kernel lineage, distro advisories, and whether local rulesets can exercise nft_set_pipapo during netlink dumps.

Mitigation direction

  • Update affected Linux kernels using vendor-supported packages.
  • Review Debian or Fedora advisories if those distributions are in scope.
  • Track the referenced Linux stable commits for fixed kernel branches.
  • Check vendor guidance before applying nonstandard workarounds.
  • Prioritize systems using nftables or custom firewall rulesets.

Validation and detection

  • Inventory Linux kernel versions across servers, containers hosts, and appliances.
  • Identify systems using nftables/netfilter pipapo sets where possible.
  • Compare running kernels against vendor fixed package advisories.
  • Confirm reboot into the patched kernel after package installation.
  • Record exceptions where vendor guidance is unavailable or incomplete.
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-2024-27017 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
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

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux2a90da8e0dd50f42e577988f4219f4f4cd3616b7, 45eb6944d0f55102229115de040ef3a48841434a, 0d836f917520300a8725a5dbdad4406438d0cead, 2b84e215f87443c74ac0aa7f76bb172d43a87033, 2b84e215f87443c74ac0aa7f76bb172d43a87033, 2b84e215f87443c74ac0aa7f76bb172d43a87033, f661383b5f1aaac3fe121b91e04332944bc90193, 5.10.186, 5.15.119, 6.1.36, 6.3.10unaffected
LinuxLinux6.4, 0, 5.10.227, 5.15.168, 6.1.112, 6.6.53, 6.8.8, 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.