CVE-2026-64131: Software Security Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-2qhr-9xff-qp48
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CVSS 5.5
Published
Advisory Summary

CVE-2026-64131 is a MODERATE (CVSS 5.5) security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-64131 at a Glance

CVE Identifier CVE-2026-64131
GHSA Identifier GHSA-2qhr-9xff-qp48
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2026-64131

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-2026-64131, 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/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in __migrate_device_pages() and make_device_exclusive() using folio_test_anon(). However the unmap path tests this assumption using vma_is_anonymous(). This is wrong because whilst anonymous VMAs can only contain folios where folio_test_anon() is true the opposite relation does not hold. A folio for which folio_test_anon() is true does not imply vma_is_anonymous() is true. Such a condition can occur if for example a folio is part of a private filebacked mapping. In this case vma_is_anonymous() is false as the mapping is filebacked, but folio_test_anon() may be true, thus permitting devices to migrate the folio to device private memory. This can lead to the following spurious warnings during process teardown: [ 772.737706] ------------[ cut here ]------------ [ 772.739201] WARNING: mm/memory.c:1754 at unmap_page_range.cold+0x26/0x18a, CPU#17: hmm-tests/2041 [ 772.742050] Modules linked in: test_hmm nvidia_uvm(O) nvidia(O) [ 772.743959] CPU: 17 UID: 0 PID: 2041 Comm: hmm-tests Tainted: G W O 7.0.0+ #387 PREEMPT(full) [ 772.747104] Tainted: [W]=WARN, [O]=OOT_MODULE [ 772.748509] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org 04/01/2014 [ 772.752117] RIP: 0010:unmap_page_range.cold+0x26/0x18a [ 772.753780] Code: 7e fe ff ff 48 89 4c 24 78 4c 89 44 24 38 e8 f2 ff b1 00 48 8b 4c 24 78 4c 8b 44 24 38 48 8b 44 24 18 48 83 78 48 00 74 04 90 <0f> 0b 90 48 89 ca b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a 80 3c 02 [ 772.759602] RSP: 0018:ffff888112607550 EFLAGS: 00010286 [ 772.761310] RAX: ffff88811bbf4dc0 RBX: dffffc0000000000 RCX: ffffea03e9bfffd8 [ 772.763583] RDX: 1ffff1102377e9c1 RSI: 0000000000000008 RDI: ffff88811bbf4e08 [ 772.765914] RBP: 0000000000000006 R08: ffff8881059f7448 R09: ffffed10224c0e68 [ 772.768184] R10: ffff888112607347 R11: 0000000000000001 R12: 0000000000000001 [ 772.770461] R13: ffffea03e9bfffc0 R14: ffff888112607908 R15: ffffea03e9bfffc0 [ 772.772782] FS: 00007f327caa2780(0000) GS:ffff888427b7d000(0000) knlGS:0000000000000000 [ 772.775328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 772.777187] CR2: 00007f327ca89000 CR3: 00000001994d5000 CR4: 00000000000006f0 [ 772.779135] Call Trace: [ 772.779792] <TASK> [ 772.780317] ? dmirror_interval_invalidate+0x1a3/0x290 [test_hmm] [ 772.781873] ? vm_normal_page_pud+0x2b0/0x2b0 [ 772.782992] ? __rwlock_init+0x150/0x150 [ 772.784006] ? lock_release+0x216/0x2b0 [ 772.785008] ? __mmu_notifier_invalidate_range_start+0x505/0x6e0 [ 772.786522] ? lock_release+0x216/0x2b0 [ 772.787498] ? unmap_single_vma+0xb6/0x210 [ 772.788573] unmap_vmas+0x27d/0x520 [ 772.789506] ? unmap_single_vma+0x210/0x210 [ 772.790607] ? mas_update_gap.part.0+0x620/0x620 [ 772.791834] unmap_region+0x19e/0x350 [ 772.792769] ? remove_vma+0x130/0x130 [ 772.793684] ? mas_alloc_nodes+0x1f2/0x300 [ 772.794730] vms_complete_munmap_vmas+0x8c1/0xe20 [ 772.795926] ? unmap_region+0x350/0x350 [ 772.796917] do_vmi_align_munmap+0x36a/0x4e0 [ 772.798018] ? lock_release+0x216/0x2b0 [ 772.799024] ? vma_shrink+0x620/0x620 [ 772.799983] do_vmi_munmap+0x150/0x2c0 [ 772.800939] __vm_munmap+0x161/0x2c0 [ 772.801872] ? expand_downwards+0xd60/0xd60 [ 772.802948] ? clockevents_program_event+0x1ef/0x540 [ 772.804217] ? lock_release+0x216/0x2b0 [ 772.805158] __x64_sys_munmap+0x59/0x80 [ 772.805776] do_syscall_64+0xfc/0x670 [ 772.806336] ? irqentry_exit+0xda/0x580 [ 772.806976] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 772.807772] RIP: 0033:0x7f327cbb2717 [ 772.808323] Code: 73 01 c3 48 8b 0d f9 76 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ---truncated---

References

NVD — CVE-2026-64131 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64131
git.kernel.org/stable/c/2fff0cdd94... WEB
https://git.kernel.org/stable/c/2fff0cdd942261497fb8922a194b4da3315ae864
git.kernel.org/stable/c/52f72b3f8f... WEB
https://git.kernel.org/stable/c/52f72b3f8f6fa64abb71b711962b97f1f6aced1c
git.kernel.org/stable/c/a825691b80... WEB
https://git.kernel.org/stable/c/a825691b804b35141aaf4eac91003a70846e316d
git.kernel.org/stable/c/be3f38d05c... WEB
https://git.kernel.org/stable/c/be3f38d05cc5a7c3f13e51994c5dd043ab604d28
git.kernel.org/stable/c/e7af1b15c8... WEB
https://git.kernel.org/stable/c/e7af1b15c884ed12bb69da11aec095045d861ee8
git.kernel.org/stable/c/e81446b559... WEB
https://git.kernel.org/stable/c/e81446b559db4c98a6c2c5e039ac9cb23658432e

Frequently Asked Questions

What is CVE-2026-64131?
CVE-2026-64131 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-2026-64131?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-64131?
CVE-2026-64131 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2026-64131?
CVE-2026-64131 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-64131?
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-2qhr-9xff-qp48",
  "modified" : "2026-08-13T15:34:13Z",
  "published" : "2026-07-19T18:31:53Z",
  "aliases" : [ "CVE-2026-64131" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memory: fix spurious warning when unmapping device-private/exclusive pages\n\nDevice private and exclusive entries are only supported for anonymous\nfolios.  This condition is tested in __migrate_device_pages() and\nmake_device_exclusive() using folio_test_anon().  However the unmap path\ntests this assumption using vma_is_anonymous().\n\nThis is wrong because whilst anonymous VMAs can only contain folios where\nfolio_test_anon() is true the opposite relation does not hold.  A folio\nfor which folio_test_anon() is true does not imply vma_is_anonymous() is\ntrue.  Such a condition can occur if for example a folio is part of a\nprivate filebacked mapping.\n\nIn this case vma_is_anonymous() is false as the mapping is filebacked, but\nfolio_test_anon() may be true, thus permitting devices to migrate the\nfolio to device private memory.  This can lead to the following spurious\nwarnings during process teardown:\n\n[  772.737706] ------------[ cut here ]------------\n[  772.739201] WARNING: mm/memory.c:1754 at unmap_page_range.cold+0x26/0x18a, CPU#17: hmm-tests/2041\n[  772.742050] Modules linked in: test_hmm nvidia_uvm(O) nvidia(O)\n[  772.743959] CPU: 17 UID: 0 PID: 2041 Comm: hmm-tests Tainted: G        W  O        7.0.0+ #387 PREEMPT(full)\n[  772.747104] Tainted: [W]=WARN, [O]=OOT_MODULE\n[  772.748509] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org 04/01/2014\n[  772.752117] RIP: 0010:unmap_page_range.cold+0x26/0x18a\n[  772.753780] Code: 7e fe ff ff 48 89 4c 24 78 4c 89 44 24 38 e8 f2 ff b1 00 48 8b 4c 24 78 4c 8b 44 24 38 48 8b 44 24 18 48 83 78 48 00 74 04 90 <0f> 0b 90 48 89 ca b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a 80 3c 02\n[  772.759602] RSP: 0018:ffff888112607550 EFLAGS: 00010286\n[  772.761310] RAX: ffff88811bbf4dc0 RBX: dffffc0000000000 RCX: ffffea03e9bfffd8\n[  772.763583] RDX: 1ffff1102377e9c1 RSI: 0000000000000008 RDI: ffff88811bbf4e08\n[  772.765914] RBP: 0000000000000006 R08: ffff8881059f7448 R09: ffffed10224c0e68\n[  772.768184] R10: ffff888112607347 R11: 0000000000000001 R12: 0000000000000001\n[  772.770461] R13: ffffea03e9bfffc0 R14: ffff888112607908 R15: ffffea03e9bfffc0\n[  772.772782] FS:  00007f327caa2780(0000) GS:ffff888427b7d000(0000) knlGS:0000000000000000\n[  772.775328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  772.777187] CR2: 00007f327ca89000 CR3: 00000001994d5000 CR4: 00000000000006f0\n[  772.779135] Call Trace:\n[  772.779792]  <TASK>\n[  772.780317]  ? dmirror_interval_invalidate+0x1a3/0x290 [test_hmm]\n[  772.781873]  ? vm_normal_page_pud+0x2b0/0x2b0\n[  772.782992]  ? __rwlock_init+0x150/0x150\n[  772.784006]  ? lock_release+0x216/0x2b0\n[  772.785008]  ? __mmu_notifier_invalidate_range_start+0x505/0x6e0\n[  772.786522]  ? lock_release+0x216/0x2b0\n[  772.787498]  ? unmap_single_vma+0xb6/0x210\n[  772.788573]  unmap_vmas+0x27d/0x520\n[  772.789506]  ? unmap_single_vma+0x210/0x210\n[  772.790607]  ? mas_update_gap.part.0+0x620/0x620\n[  772.791834]  unmap_region+0x19e/0x350\n[  772.792769]  ? remove_vma+0x130/0x130\n[  772.793684]  ? mas_alloc_nodes+0x1f2/0x300\n[  772.794730]  vms_complete_munmap_vmas+0x8c1/0xe20\n[  772.795926]  ? unmap_region+0x350/0x350\n[  772.796917]  do_vmi_align_munmap+0x36a/0x4e0\n[  772.798018]  ? lock_release+0x216/0x2b0\n[  772.799024]  ? vma_shrink+0x620/0x620\n[  772.799983]  do_vmi_munmap+0x150/0x2c0\n[  772.800939]  __vm_munmap+0x161/0x2c0\n[  772.801872]  ? expand_downwards+0xd60/0xd60\n[  772.802948]  ? clockevents_program_event+0x1ef/0x540\n[  772.804217]  ? lock_release+0x216/0x2b0\n[  772.805158]  __x64_sys_munmap+0x59/0x80\n[  772.805776]  do_syscall_64+0xfc/0x670\n[  772.806336]  ? irqentry_exit+0xda/0x580\n[  772.806976]  entry_SYSCALL_64_after_hwframe+0x4b/0x53\n[  772.807772] RIP: 0033:0x7f327cbb2717\n[  772.808323] Code: 73 01 c3 48 8b 0d f9 76 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff\n---truncated---",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-64131"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/2fff0cdd942261497fb8922a194b4da3315ae864"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/52f72b3f8f6fa64abb71b711962b97f1f6aced1c"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a825691b804b35141aaf4eac91003a70846e316d"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/be3f38d05cc5a7c3f13e51994c5dd043ab604d28"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e7af1b15c884ed12bb69da11aec095045d861ee8"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e81446b559db4c98a6c2c5e039ac9cb23658432e"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-07-19T16:17:54Z"
  }
}