CVE-2026-97943: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-vv3w-94g3-pv9v
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Advisory Summary

CVE-2026-97943 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-2026-97943 at a Glance

CVE Identifier CVE-2026-97943
GHSA Identifier GHSA-vv3w-94g3-pv9v
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-2026-97943

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-2026-97943, 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: x86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF x86 implements page attribute modification using its Change Page Attributes (CPA) mechanism. This tracks properties of ranges such as cache mode through x86 page attributes, and as part of that logic manipulates kernel page tables. Since commit: 41d88484c71c ("x86/mm/pat: restore large ROX pages after fragmentation") ranges of kernel page table entries can be collapsed into huge page table entries as part of this logic. As part of this collapse, it frees the page tables which the collapsed entries previously pointed to, and it does so without any relevant locks being held to preclude concurrent kernel page table walkers. The only way this code can be reached is if CPA_COLLAPSE is specified, and this is only set in set_memory_rox() via: set_memory_rox() -> change_page_attr_set_clr() -> cpa_flush() -> cpa_collapse_large_pages() Notable users of this are execmem and BPF when manipulating executable mappings. However, this is problematic for ptdump as it walks ranges it does not own and thus runs the risk of a use-after-free on page tables freed underneath it. In addition, concurrent CPA collapse operations are possible which can also cause races. Resolve the issue by acquiring the mmap write lock on init_mm across the whole operation. It is safe to acquire a sleeping lock as all the callers invoke set_memory_rox() from process context and in any case, change_page_attr_set_clr() calls vm_unmap_alias() which ultimately takes a mutex, disallowing atomic context here.

References

NVD — CVE-2026-97943 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97943
git.kernel.org/stable/c/35820cf8dd... WEB
https://git.kernel.org/stable/c/35820cf8dd521f5a651e221483015b0586794516
git.kernel.org/stable/c/93b9888219... WEB
https://git.kernel.org/stable/c/93b98882198b15bd482da1fe8e84b05c7c3b3d83
git.kernel.org/stable/c/a1c7570ced... WEB
https://git.kernel.org/stable/c/a1c7570cedd03372812a5b693732880867babbca

Frequently Asked Questions

What is CVE-2026-97943?
CVE-2026-97943 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-2026-97943?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-97943?
CVE-2026-97943 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-97943?
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 
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  "schema_version" : "1.4.0",
  "id" : "GHSA-vv3w-94g3-pv9v",
  "modified" : "2026-09-25T12:31:29Z",
  "published" : "2026-09-25T12:31:29Z",
  "aliases" : [ "CVE-2026-97943" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF\n\nx86 implements page attribute modification using its Change Page\nAttributes (CPA) mechanism.\n\nThis tracks properties of ranges such as cache mode through x86 page\nattributes, and as part of that logic manipulates kernel page tables.\n\nSince commit:\n\n  41d88484c71c (\"x86/mm/pat: restore large ROX pages after fragmentation\")\n\nranges of kernel page table entries can be collapsed into\nhuge page table entries as part of this logic.\n\nAs part of this collapse, it frees the page tables which the collapsed\nentries previously pointed to, and it does so without any relevant locks\nbeing held to preclude concurrent kernel page table walkers.\n\nThe only way this code can be reached is if CPA_COLLAPSE is specified, and\nthis is only set in set_memory_rox() via:\n\nset_memory_rox()\n-> change_page_attr_set_clr()\n-> cpa_flush()\n-> cpa_collapse_large_pages()\n\nNotable users of this are execmem and BPF when manipulating executable\nmappings.\n\nHowever, this is problematic for ptdump as it walks ranges it does not own\nand thus runs the risk of a use-after-free on page tables freed underneath\nit.\n\nIn addition, concurrent CPA collapse operations are possible which can also\ncause races.\n\nResolve the issue by acquiring the mmap write lock on init_mm across the\nwhole operation.\n\nIt is safe to acquire a sleeping lock as all the callers invoke\nset_memory_rox() from process context and in any case,\nchange_page_attr_set_clr() calls vm_unmap_alias() which ultimately takes a\nmutex, disallowing atomic context here.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-97943"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/35820cf8dd521f5a651e221483015b0586794516"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/93b98882198b15bd482da1fe8e84b05c7c3b3d83"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a1c7570cedd03372812a5b693732880867babbca"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-25T11:17:21Z"
  }
}