CVE-2026-80984: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-r783-4vmj-f363
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Advisory Summary

CVE-2026-80984 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-2026-80984 at a Glance

CVE Identifier CVE-2026-80984
GHSA Identifier GHSA-r783-4vmj-f363
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-2026-80984

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-2026-80984, 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: do not dereference an unset send buffer on the SMC-D teardown path smc_close_stream_wait() calls smc_tx_prepared_sends() from inside its sk_wait_event() condition, and sk_wait_event() evaluates that condition once with the socket lock released. smcd_buf_detach() clears conn->sndbuf_desc from smc_conn_kill() under lock_sock(), so a link group terminating while a socket waits there leaves the helper dereferencing NULL, faulting out of close(). SIOCOUTQ reads the field by hand, and smc_close_cancel_work() drops the lock across two cancel_*_sync() calls. Sample the pointer once in the helper, report nothing prepared while it is unset, and bound the ioctl the same way. The receive tasklet dereferences the field directly in smc_cdc_msg_recv_action(), not through this helper; 1/2 is what keeps it from running that late.

References

NVD — CVE-2026-80984 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-80984
git.kernel.org/stable/c/ab26e12dd5... WEB
https://git.kernel.org/stable/c/ab26e12dd5d2f43d939fcf456933a816e81d2e51
git.kernel.org/stable/c/b395dd319c... WEB
https://git.kernel.org/stable/c/b395dd319cea422239cb45b998fb38d7e373af87
git.kernel.org/stable/c/e3fcff8d22... WEB
https://git.kernel.org/stable/c/e3fcff8d22a6c9540748846cd800443a643553a6
git.kernel.org/stable/c/f517cf0203... WEB
https://git.kernel.org/stable/c/f517cf02033801a28f98d86ca613a3533cf066b3
git.kernel.org/stable/c/f950e1b1f0... WEB
https://git.kernel.org/stable/c/f950e1b1f0aad334f9a9ee552c4dd5b794ebdd45

Frequently Asked Questions

What is CVE-2026-80984?
CVE-2026-80984 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-2026-80984?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-80984?
CVE-2026-80984 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-80984?
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-r783-4vmj-f363",
  "modified" : "2026-09-14T15:32:22Z",
  "published" : "2026-09-11T21:31:23Z",
  "aliases" : [ "CVE-2026-80984" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: do not dereference an unset send buffer on the SMC-D teardown path\n\nsmc_close_stream_wait() calls smc_tx_prepared_sends() from inside its\nsk_wait_event() condition, and sk_wait_event() evaluates that condition\nonce with the socket lock released. smcd_buf_detach() clears\nconn->sndbuf_desc from smc_conn_kill() under lock_sock(), so a link group\nterminating while a socket waits there leaves the helper dereferencing\nNULL, faulting out of close(). SIOCOUTQ reads the field by hand, and\nsmc_close_cancel_work() drops the lock across two cancel_*_sync() calls.\n\nSample the pointer once in the helper, report nothing prepared while it is\nunset, and bound the ioctl the same way. The receive tasklet dereferences\nthe field directly in smc_cdc_msg_recv_action(), not through this helper;\n1/2 is what keeps it from running that late.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-80984"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ab26e12dd5d2f43d939fcf456933a816e81d2e51"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/b395dd319cea422239cb45b998fb38d7e373af87"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e3fcff8d22a6c9540748846cd800443a643553a6"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f517cf02033801a28f98d86ca613a3533cf066b3"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f950e1b1f0aad334f9a9ee552c4dd5b794ebdd45"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-11T20:19:04Z"
  }
}