CVE-2026-64455: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-w6hm-pc27-4xcr
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Advisory Summary

CVE-2026-64455 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-2026-64455 at a Glance

CVE Identifier CVE-2026-64455
GHSA Identifier GHSA-w6hm-pc27-4xcr
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-2026-64455

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-2026-64455, 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: USB: chaoskey: Fix slab-use-after-free in chaoskey_release() The chaoskey driver has a use-after-free bug in its release routine. If the user closes the device file after the USB device has been unplugged, a debugging log statement will try to access the usb_interface structure after it has been deallocated: BUG: KASAN: slab-use-after-free in dev_driver_string (drivers/base/core.c:2406) Read of size 8 at addr ffff888168e8a0b8 by task chaoskey_raw_re/10106 Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: <TASK> dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) print_report (mm/kasan/report.c:378 mm/kasan/report.c:482) kasan_report (mm/kasan/report.c:595) dev_driver_string (drivers/base/core.c:2406) __dynamic_dev_dbg (lib/dynamic_debug.c:906) chaoskey_release (drivers/usb/misc/chaoskey.c:323) __fput (fs/file_table.c:510) fput_close_sync (fs/file_table.c:615) __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492) do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) The driver's last reference to the interface structure is dropped in the chaoskey_free() routine, so the code must not use the interface -- even in a debugging statement -- after that routine returns. (Exception: If we know that another reference is held by someone else, such as the device core while the disconnect routine runs, there's no problem. Thanks to Johan Hovold for pointing this out.) Since the bad access is part of an unimportant debugging statement, we can fix the problem simply by removing the whole statement.

References

NVD — CVE-2026-64455 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64455
git.kernel.org/stable/c/2a52d55c86... WEB
https://git.kernel.org/stable/c/2a52d55c86a429dac47886b8424e67f90b001e67
git.kernel.org/stable/c/3ad5fbcced... WEB
https://git.kernel.org/stable/c/3ad5fbcced4e9c2b0fee3c1b76289a147fc35b89
git.kernel.org/stable/c/5ec61fbef9... WEB
https://git.kernel.org/stable/c/5ec61fbef9ec5635c492ae63dfb5d13f2bdf1023
git.kernel.org/stable/c/6c82f88bc7... WEB
https://git.kernel.org/stable/c/6c82f88bc7a8458d5c60f9b354c4d32d233f0cac
git.kernel.org/stable/c/8f50613bff... WEB
https://git.kernel.org/stable/c/8f50613bff228272577893aa10a346a2f3063e49
git.kernel.org/stable/c/abf76d3239... WEB
https://git.kernel.org/stable/c/abf76d3239dee97b66e7241ad04811f1ce562e28
git.kernel.org/stable/c/f3e409476a... WEB
https://git.kernel.org/stable/c/f3e409476ad0703c54c14f245e4e143c8124e1bd
git.kernel.org/stable/c/fe7a0f4be2... WEB
https://git.kernel.org/stable/c/fe7a0f4be283b40dd592540027279735120d0d6f

Frequently Asked Questions

What is CVE-2026-64455?
CVE-2026-64455 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-2026-64455?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-64455?
CVE-2026-64455 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-64455?
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-w6hm-pc27-4xcr",
  "modified" : "2026-07-25T12:31:36Z",
  "published" : "2026-07-25T12:31:36Z",
  "aliases" : [ "CVE-2026-64455" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: chaoskey: Fix slab-use-after-free in chaoskey_release()\n\nThe chaoskey driver has a use-after-free bug in its release routine.\nIf the user closes the device file after the USB device has been\nunplugged, a debugging log statement will try to access the\nusb_interface structure after it has been deallocated:\n\n\tBUG: KASAN: slab-use-after-free in dev_driver_string (drivers/base/core.c:2406)\n\tRead of size 8 at addr ffff888168e8a0b8 by task chaoskey_raw_re/10106\n\n\tHardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n\tCall Trace:\n\t <TASK>\n\t dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)\n\t print_report (mm/kasan/report.c:378 mm/kasan/report.c:482)\n\t kasan_report (mm/kasan/report.c:595)\n\t dev_driver_string (drivers/base/core.c:2406)\n\t __dynamic_dev_dbg (lib/dynamic_debug.c:906)\n\t chaoskey_release (drivers/usb/misc/chaoskey.c:323)\n\t __fput (fs/file_table.c:510)\n\t fput_close_sync (fs/file_table.c:615)\n\t __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)\n\t do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)\n\t entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)\n\nThe driver's last reference to the interface structure is dropped in\nthe chaoskey_free() routine, so the code must not use the interface --\neven in a debugging statement -- after that routine returns.\n(Exception: If we know that another reference is held by someone else,\nsuch as the device core while the disconnect routine runs, there's no\nproblem.  Thanks to Johan Hovold for pointing this out.)\n\nSince the bad access is part of an unimportant debugging statement,\nwe can fix the problem simply by removing the whole statement.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-64455"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/2a52d55c86a429dac47886b8424e67f90b001e67"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/3ad5fbcced4e9c2b0fee3c1b76289a147fc35b89"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/5ec61fbef9ec5635c492ae63dfb5d13f2bdf1023"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/6c82f88bc7a8458d5c60f9b354c4d32d233f0cac"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/8f50613bff228272577893aa10a346a2f3063e49"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/abf76d3239dee97b66e7241ad04811f1ce562e28"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f3e409476ad0703c54c14f245e4e143c8124e1bd"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fe7a0f4be283b40dd592540027279735120d0d6f"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-07-25T10:17:30Z"
  }
}