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CVE Record

CVE-2024-46855: netfilter: nft_socket: fix sk refcount leaks

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: fix sk refcount leaks We must put 'sk' reference before returning.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-46855 is a Linux kernel netfilter issue where nft_socket can leak a socket reference. In business terms, affected Linux systems may accumulate kernel resources incorrectly. The public record does not provide CVSS, confirmed exploitation, or a detailed impact statement, so urgency should be driven by kernel exposure and vendor update availability.

Executive priority

Track this as a kernel maintenance item with uncertain severity. Prioritize patching on exposed or shared Linux infrastructure, but do not treat it as actively exploited based on the supplied evidence.

Technical view

The CVE describes a missing release of the sk reference before returning in Linux kernel netfilter nft_socket handling. Stable kernel commits are referenced as the resolution. The record lists Linux kernel versions and commit identifiers as affected/unaffected, but no CWE, CVSS vector, proof of exploitation, or weaponized details are provided.

Likely exposure

Exposure is most likely on Linux systems running affected kernel builds that include the nft_socket/netfilter code path. Version-only checks may be misleading where distributions backport fixes, so validate against the running kernel package and vendor advisory status.

Exploitation context

The source bundle does not show CISA KEV inclusion or any cited report of active exploitation. It also does not include exploit prerequisites, exploitability assessment, or observed attacks. Treat exploitation status as unconfirmed.

Researcher notes

Evidence is limited to the CVE record, Linux stable commit references, and Debian LTS advisory links. The core bug is a socket reference leak in nft_socket. No CVSS, CWE, exploit notes, or precise operational impact are supplied.

Mitigation direction

  • Apply vendor kernel updates that include the referenced stable fixes.
  • Check Debian LTS advisories if using affected Debian kernel packages.
  • Prioritize internet-facing and multi-user Linux hosts for update review.
  • Use vendor guidance where version backports obscure upstream kernel numbers.

Validation and detection

  • Inventory running Linux kernel versions across managed assets.
  • Compare kernel packages against vendor advisories and CVE-2024-46855 status.
  • Confirm whether fixes corresponding to referenced stable commits are present.
  • Document exceptions where no vendor-fixed kernel is available yet.
Prepared
Confidence
medium
Sources
11

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2024-46855 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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
10Source 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
LinuxLinux039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2, 6934809432d23e9e0081f82d882b8fc765deeb4a, f63432cd1bb224f61216e4a4726ff29ddffbed98, 4.19.76, 5.2.18unaffected
LinuxLinux5.3, 0, 5.4.295, 5.10.239, 5.15.168, 6.1.111, 6.6.52, 6.10.11, 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.