CVE-2026-93267: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-w75x-m786-pw39
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Advisory Summary

CVE-2026-93267 is a security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-93267 at a Glance

CVE Identifier CVE-2026-93267
GHSA Identifier GHSA-w75x-m786-pw39
Severity N/A
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-93267

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-93267, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in uverbs_free_dmah() When accessing a dmah via the netlink path the only synchronization mechanism for the said dmah is rdma_restrack_get(). Currently, rdma_restrack_del() is invoked at the end of uverbs_free_dmah(), which is too late, since by that point vendor-specific resources associated with the dmah might already be freed. This can leave a short window where the dmah remains accessible through restrack, leading to a potential use-after-free. Fix this by moving the rdma_restrack_begin_del() call to the start of uverbs_free_dmah(), ensuring that the dmah is removed from restrack before its internal resources are released. This guarantees that no new users hold references to a dmah that is in the process of destruction. In addition, this change preserves the intended inverted order between create and destroy routines: resources are added to restrack at the end of successful creation, and hence shall be removed from the restrack first thing during the destruction flow, which keeps the lifecycle management consistent and predictable.

References

NVD — CVE-2026-93267 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93267
git.kernel.org/stable/c/2696626a0b... WEB
https://git.kernel.org/stable/c/2696626a0be5877f445fb647c25ef43930c777e6
git.kernel.org/stable/c/8b22722f45... WEB
https://git.kernel.org/stable/c/8b22722f45a29a7c0900b1d4d0bc5da5492ece10
git.kernel.org/stable/c/bfc119a40c... WEB
https://git.kernel.org/stable/c/bfc119a40c04bbe3daad826f2160ccbfae6c64ce

Frequently Asked Questions

What is CVE-2026-93267?
CVE-2026-93267 is a security vulnerability in Software classified as a security vulnerability vulnerability under General Security Weakness.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-93267?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-93267?
CVE-2026-93267 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-93267?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w75x-m786-pw39",
  "modified" : "2026-09-24T18:31:25Z",
  "published" : "2026-09-24T18:31:25Z",
  "aliases" : [ "CVE-2026-93267" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Fix potential use after free in uverbs_free_dmah()\n\nWhen accessing a dmah via the netlink path the only synchronization\nmechanism for the said dmah is rdma_restrack_get().\nCurrently, rdma_restrack_del() is invoked at the end of\nuverbs_free_dmah(), which is too late, since by that point\nvendor-specific resources associated with the dmah might already be\nfreed. This can leave a short window where the dmah remains accessible\nthrough restrack, leading to a potential use-after-free.\n\nFix this by moving the rdma_restrack_begin_del() call to the start of\nuverbs_free_dmah(), ensuring that the dmah is removed from restrack\nbefore its internal resources are released. This guarantees that no new\nusers hold references to a dmah that is in the process of destruction.\n\nIn addition, this change preserves the intended inverted order\nbetween create and destroy routines: resources are added to\nrestrack at the end of successful creation, and hence shall be removed\nfrom the restrack first thing during the destruction flow, which keeps\nthe lifecycle management consistent and predictable.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-93267"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/2696626a0be5877f445fb647c25ef43930c777e6"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/8b22722f45a29a7c0900b1d4d0bc5da5492ece10"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/bfc119a40c04bbe3daad826f2160ccbfae6c64ce"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-24T16:17:23Z"
  }
}