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EUVD-2026-24592

🗓️ 22 Apr 2026 03:31:36Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Kernel page table update bug ignores one gigabyte largepage mappings, enabling memory overwrite by an unprivileged user via pkru update range.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
FreeBSD -- Missing large page handling in pmap_pkru_update_range()
21 Apr 202600:00
freebsd
ATTACKERKB
CVE-2026-6386
22 Apr 202602:33
attackerkb
Circl
CVE-2026-6386
22 Apr 202604:18
circl
CNNVD
FreeBSD 安全漏洞
22 Apr 202600:00
cnnvd
CVE
CVE-2026-6386
22 Apr 202602:33
cve
Cvelist
CVE-2026-6386 Missing large page handling in pmap_pkru_update_range()
22 Apr 202602:33
cvelist
FreeBSD Advisory
FreeBSD-SA-26:11.amd64
21 Apr 202600:00
freebsd_advisory
Tenable Nessus
FreeBSD : FreeBSD -- Missing large page handling in pmap_pkru_update_range() (128951d0-3df0-11f1-bb07-bc241121aa0a)
22 Apr 202600:00
nessus
NVD
CVE-2026-6386
22 Apr 202603:16
nvd
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:11.amd64
21 Apr 202600:00
packetstormnews
Rows per page
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        "vendor": {
          "name": "FreeBSD"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "3f77191b-df89-36dc-8f4f-c7c702e82522",
        "product": {
          "name": "FreeBSD"
        },
        "product_version": "14.4-RELEASE <p2"
      },
      {
        "id": "7ee54955-1316-3dad-884c-af047610c39a",
        "product": {
          "name": "FreeBSD"
        },
        "product_version": "15.0-RELEASE <p6"
      },
      {
        "id": "d1980605-b307-3408-846d-7a356dfc101a",
        "product": {
          "name": "FreeBSD"
        },
        "product_version": "13.5-RELEASE <p12"
      },
      {
        "id": "e26789cd-36f8-3694-8669-3eec102214cb",
        "product": {
          "name": "FreeBSD"
        },
        "product_version": "14.3-RELEASE <p11"
      }
    ]
  }
]

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22 Apr 2026 03:31Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.2
EPSS0.00009
SSVC
4