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CVE-2026-98966

bonding: fix the program leak when XDP is replaced

CVSS score

—

EPSS probability

—

Risk score

—

Published

2 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Linux kernel bonding driver XDP program leak vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A program leak vulnerability has been identified in the Linux kernel bonding driver caused by failing to release the old BPF program reference when XDP is replaced.

Why does it matter?

This vulnerability can cause resource inefficiencies and program accumulation in memory when XDP programs are replaced.

What should be done?

  • Follow vendor advisories
  • Apply available updates
Chain of evidence and sources2 verified claims

Linux çekirdeği bonding sürücüsünde XDP değiştirildiğinde program sızıntısı sorunu giderilmiştir.

S0 · daybreach-canonicalS1 · cvelist

Eski BPF programı referansı, program kaldırılırken veya başka bir programla değiştirilirken serbest bırakılmalıdır.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

In the Linux kernel, the following vulnerability has been resolved: bonding: fix the program leak when XDP is replaced We need to release the reference on the old BPF prog, whether we are going to no-prog, or replacing the prog with another. Spotted by AI while running tests for the propagation series (leaked programs were accumulating). Selftest will come in the net-next series to avoid conflicts.

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-98966 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1linuxLinux View
2linuxLinux View
Total affected vendors: 1|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
The sources have not yet published a verified CVSS metric.

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-98966 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CWE-20: Improper Input Validation

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-98966 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Official Sources and Advisories

https://git.kernel.org/stable/c/bba6b1b086f9f4ddbfdaba7ea6279dc3abec70c7vendor-advisoryhttps://git.kernel.org/stable/c/184b5ddf82d45d6f75cc83719a2e453392512bd2vendor-advisory

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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CVE-2026-98966 · bonding: fix the program leak when XDP is…