CVE-2026-74719: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-6f64-fmvf-65hv
Share
Published
Advisory Summary

CVE-2026-74719 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-2026-74719 at a Glance

CVE Identifier CVE-2026-74719
GHSA Identifier GHSA-6f64-fmvf-65hv
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-2026-74719

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-2026-74719, 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: net/smc: fix qentry overwrite for CONFIRM_LINK and ADD_LINK_CONT in smc_llc_event_handler() The SMC_LLC_CONFIRM_LINK / SMC_LLC_ADD_LINK_CONT branch in smc_llc_event_handler() stores an incoming qentry into the local LLC flow without first checking whether a qentry is already pending. If a malicious or buggy peer sends a second CONFIRM_LINK or ADD_LINK_CONT request while a flow is active and flow->qentry is already set, smc_llc_flow_qentry_set() overwrites the pointer without freeing the previous allocation, leaking one kmalloc-96 object per spurious message. The sibling SMC_LLC_DELETE_LINK branch already has the correct !flow->qentry guard. Apply the same guard to the CONFIRM_LINK/ADD_LINK_CONT branch so that a duplicate message when qentry is already occupied falls through to break and is freed by the kfree(qentry) at the out: label, rather than silently leaking the existing allocation. The response direction (smc_llc_rx_response()) is unaffected: it already guards with flow->qentry at the equivalent site and drops duplicate responses correctly.

References

NVD — CVE-2026-74719 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-74719
git.kernel.org/stable/c/06734dfeae... WEB
https://git.kernel.org/stable/c/06734dfeaeba886aab1bf147249195b888ac3e4d
git.kernel.org/stable/c/10cb31b2b7... WEB
https://git.kernel.org/stable/c/10cb31b2b74cb664c6c95cf72364d7d5c483ab82
git.kernel.org/stable/c/9762450949... WEB
https://git.kernel.org/stable/c/976245094925bab9bc39366b2e9ab44ffcde61d0
git.kernel.org/stable/c/a1e980d7a9... WEB
https://git.kernel.org/stable/c/a1e980d7a9e7ee6faf4f5fd7b450413b969af26d
git.kernel.org/stable/c/bfc336a9fb... WEB
https://git.kernel.org/stable/c/bfc336a9fbbf09805f3dfe25c195a4db90af2846
git.kernel.org/stable/c/c23c409228... WEB
https://git.kernel.org/stable/c/c23c409228629107203d3c3e95fff1473173f1a6
git.kernel.org/stable/c/e0eb87677c... WEB
https://git.kernel.org/stable/c/e0eb87677c76b157cdf8eb7c1f19e56227165a33
git.kernel.org/stable/c/e384f3cba6... WEB
https://git.kernel.org/stable/c/e384f3cba6ea709f5b2272b1770db4ce14047f78

Frequently Asked Questions

What is CVE-2026-74719?
CVE-2026-74719 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-2026-74719?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-74719?
CVE-2026-74719 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-74719?
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-6f64-fmvf-65hv",
  "modified" : "2026-08-22T18:30:30Z",
  "published" : "2026-08-22T18:30:30Z",
  "aliases" : [ "CVE-2026-74719" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix qentry overwrite for CONFIRM_LINK and ADD_LINK_CONT in smc_llc_event_handler()\n\nThe SMC_LLC_CONFIRM_LINK / SMC_LLC_ADD_LINK_CONT branch in\nsmc_llc_event_handler() stores an incoming qentry into the local LLC flow\nwithout first checking whether a qentry is already pending. If a malicious or\nbuggy peer sends a second CONFIRM_LINK or ADD_LINK_CONT request while a flow is\nactive and flow->qentry is already set, smc_llc_flow_qentry_set() overwrites the\npointer without freeing the previous allocation, leaking one kmalloc-96 object\nper spurious message.\n\nThe sibling SMC_LLC_DELETE_LINK branch already has the correct !flow->qentry\nguard. Apply the same guard to the CONFIRM_LINK/ADD_LINK_CONT branch so that a\nduplicate message when qentry is already occupied falls through to break and is\nfreed by the kfree(qentry) at the out: label, rather than silently leaking the\nexisting allocation.\n\nThe response direction (smc_llc_rx_response()) is unaffected: it already guards\nwith flow->qentry at the equivalent site and drops duplicate responses\ncorrectly.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-74719"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/06734dfeaeba886aab1bf147249195b888ac3e4d"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/10cb31b2b74cb664c6c95cf72364d7d5c483ab82"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/976245094925bab9bc39366b2e9ab44ffcde61d0"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a1e980d7a9e7ee6faf4f5fd7b450413b969af26d"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/bfc336a9fbbf09805f3dfe25c195a4db90af2846"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/c23c409228629107203d3c3e95fff1473173f1a6"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e0eb87677c76b157cdf8eb7c1f19e56227165a33"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e384f3cba6ea709f5b2272b1770db4ce14047f78"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-22T16:16:46Z"
  }
}