CVE-2026-68164: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-9xf8-5fr7-rcpw
Published
Advisory Summary

CVE-2026-68164 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-2026-68164 at a Glance

CVE Identifier CVE-2026-68164
GHSA Identifier GHSA-9xf8-5fr7-rcpw
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-2026-68164

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-2026-68164, 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: mm/damon/core: disallow overlapping input ranges for damon_set_regions() damon_set_regions() assumes the input ranges are sorted by the address and don't overlap each other. Hence the assumption was initially to be explicitly validated. But commit 97d482f4592f ("mm/damon/sysfs: reuse damon_set_regions() for regions setting") has mistakenly removed the validation. This can make DAMON behave in unexpected ways. At the best, the monitoring results snapshot will just look weird since there will be overlapping regions. DAMOS will also work weirdly, applying the same action multiple times for overlapping regions, and make DAMOS quota weird. More seriously, depending on the setup and regions updates sequence, negative size regions can be made. It will trigger WARN_ONCE() if the kernel is built with CONFIG_DAMON_DEBUG_SANITY=y. Depending on the monitoring results, the negative size region can further trigger division by zero in damon_merge_two_regions(). Note that some of the consequences including the WARN_ONCE() and the divide by zero depend on commits that were introduced after the root cause commit 97d482f4592f ("mm/damon/sysfs: reuse damon_set_regions() for regions setting"). Fix the problems by checking the assumption and returning an error if the input ranges don't meet the assumption. The issue was discovered [1] by Sashiko.

References

Frequently Asked Questions

What is CVE-2026-68164?
CVE-2026-68164 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-2026-68164?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-68164?
CVE-2026-68164 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-68164?
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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-9xf8-5fr7-rcpw",
  "modified" : "2026-08-19T18:32:08Z",
  "published" : "2026-08-10T15:33:38Z",
  "aliases" : [ "CVE-2026-68164" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/core: disallow overlapping input ranges for damon_set_regions()\n\ndamon_set_regions() assumes the input ranges are sorted by the address and\ndon't overlap each other.  Hence the assumption was initially to be\nexplicitly validated.  But commit 97d482f4592f (\"mm/damon/sysfs: reuse\ndamon_set_regions() for regions setting\") has mistakenly removed the\nvalidation.\n\nThis can make DAMON behave in unexpected ways.  At the best, the\nmonitoring results snapshot will just look weird since there will be\noverlapping regions.  DAMOS will also work weirdly, applying the same\naction multiple times for overlapping regions, and make DAMOS quota weird.\nMore seriously, depending on the setup and regions updates sequence,\nnegative size regions can be made.  It will trigger WARN_ONCE() if the\nkernel is built with CONFIG_DAMON_DEBUG_SANITY=y.  Depending on the\nmonitoring results, the negative size region can further trigger division\nby zero in damon_merge_two_regions().\n\nNote that some of the consequences including the WARN_ONCE() and the\ndivide by zero depend on commits that were introduced after the root cause\ncommit 97d482f4592f (\"mm/damon/sysfs: reuse damon_set_regions() for\nregions setting\").\n\nFix the problems by checking the assumption and returning an error if\nthe input ranges don't meet the assumption.\n\nThe issue was discovered [1] by Sashiko.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-68164"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/06a4beeeec8f03f0b3e9c78a98f1ae4f0f18cfbd"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/4b4a3e7ef7bb622237495db9ba4dfd7417d6530e"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/6ce0db97fb37ab8cf8596edca0e3de8618ab009a"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/954157679ec34661c2e87e7eb796104a797c32db"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a5c453fffb6f2ce75fc10b5d8bc475f1758010bd"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e33adf96afb5883f84b0d98747976bde293e33cb"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-10T13:20:02Z"
  }
}