CVE-2026-98463: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-7f2q-69qm-pp4c
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Advisory Summary

CVE-2026-98463 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-2026-98463 at a Glance

CVE Identifier CVE-2026-98463
GHSA Identifier GHSA-7f2q-69qm-pp4c
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-2026-98463

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-2026-98463, 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: sched_ext: Derive SCX_RQ_IN_WAKEUP from the core enqueue flags schedule_deferred_locked() skips scheduling a deferred action while SCX_RQ_IN_WAKEUP is set and relies on the task_woken_scx() call that follows a wakeup enqueue to run it. enqueue_task_scx() sets the flag from the merged enqueue flags, which include the flags stashed for a remote activation. move_remote_task_to_local_dsq() thus sets SCX_RQ_IN_WAKEUP on the destination rq when the moved task was woken up, although no task_woken_scx() follows that activation. An IMMED insert into a busy destination requests a local reenqueue during that enqueue. The request gets linked but not scheduled and stays pending until an unrelated wakeup or preemption on that CPU runs the deferred actions. The IMMED task sits behind the running task in the meantime. If nothing runs them before the scheduler is disabled, the request outlives the scheduler and points into its freed per-cpu area, which the next scheduler dereferences from run_deferred(). Test the core enqueue flags for the wakeup bit. Only the core's wakeup path is followed by task_woken_scx().

References

NVD — CVE-2026-98463 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-98463
git.kernel.org/stable/c/3fdf2ceb31... WEB
https://git.kernel.org/stable/c/3fdf2ceb31e8aff77451e468bc8409e10587916a
git.kernel.org/stable/c/6c401ae426... WEB
https://git.kernel.org/stable/c/6c401ae426e20e53a3398a8e79afd0964c0f5110
git.kernel.org/stable/c/df5cdc2c83... WEB
https://git.kernel.org/stable/c/df5cdc2c832ca4e8a6d774596b9005558761a403

Frequently Asked Questions

What is CVE-2026-98463?
CVE-2026-98463 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-2026-98463?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-98463?
CVE-2026-98463 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-98463?
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-7f2q-69qm-pp4c",
  "modified" : "2026-10-18T18:31:49Z",
  "published" : "2026-10-18T18:31:49Z",
  "aliases" : [ "CVE-2026-98463" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nsched_ext: Derive SCX_RQ_IN_WAKEUP from the core enqueue flags\n\nschedule_deferred_locked() skips scheduling a deferred action while\nSCX_RQ_IN_WAKEUP is set and relies on the task_woken_scx() call that follows\na wakeup enqueue to run it. enqueue_task_scx() sets the flag from the merged\nenqueue flags, which include the flags stashed for a remote activation.\nmove_remote_task_to_local_dsq() thus sets SCX_RQ_IN_WAKEUP on the\ndestination rq when the moved task was woken up, although no\ntask_woken_scx() follows that activation.\n\nAn IMMED insert into a busy destination requests a local reenqueue during\nthat enqueue. The request gets linked but not scheduled and stays pending\nuntil an unrelated wakeup or preemption on that CPU runs the deferred\nactions. The IMMED task sits behind the running task in the meantime. If\nnothing runs them before the scheduler is disabled, the request outlives the\nscheduler and points into its freed per-cpu area, which the next scheduler\ndereferences from run_deferred().\n\nTest the core enqueue flags for the wakeup bit. Only the core's wakeup path\nis followed by task_woken_scx().",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-98463"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/3fdf2ceb31e8aff77451e468bc8409e10587916a"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/6c401ae426e20e53a3398a8e79afd0964c0f5110"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/df5cdc2c832ca4e8a6d774596b9005558761a403"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-10-18T16:16:56Z"
  }
}