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CVE-2025-37819 (GCVE-0-2025-37819)

Vulnerability from cvelistv5 – Published: 2025-05-08 06:26 – Updated: 2026-06-11 18:44
VLAI
Title
irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()
Summary
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode() With ACPI in place, gicv2m_get_fwnode() is registered with the pci subsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime during a PCI host bridge probe. But, the call back is wrongly marked as __init, causing it to be freed, while being registered with the PCI subsystem and could trigger: Unable to handle kernel paging request at virtual address ffff8000816c0400 gicv2m_get_fwnode+0x0/0x58 (P) pci_set_bus_msi_domain+0x74/0x88 pci_register_host_bridge+0x194/0x548 This is easily reproducible on a Juno board with ACPI boot. Retain the function for later use.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:42 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < 0c241dedc43a036599757cd08f356253fa3e5014 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < b63de43af8d215b0499eac28b2caa4439183efc1 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < f95659affee301464f0d058d528d96b35b452da8 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < dc0d654eb4179b06d3206e4396d072108b9ba082 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < 2f2803e4b5e4df2b08d378deaab78b1681ef9b30 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < 3939d6f29d34cdb60e3f68b76e39e00a964a1d51 (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < 47bee0081b483b077c7560bc5358ad101f89c8ef (git)
Affected: 0644b3daca28dcb320373ae20069c269c9386304 , < 3318dc299b072a0511d6dfd8367f3304fb6d9827 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.5
Unaffected: 0 , < 4.5 (semver)
Unaffected: 5.4.294 , ≤ 5.4.* (semver)
Unaffected: 5.10.238 , ≤ 5.10.* (semver)
Unaffected: 5.15.182 , ≤ 5.15.* (semver)
Unaffected: 6.1.138 , ≤ 6.1.* (semver)
Unaffected: 6.6.89 , ≤ 6.6.* (semver)
Unaffected: 6.12.26 , ≤ 6.12.* (semver)
Unaffected: 6.14.5 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()\n\nWith ACPI in place, gicv2m_get_fwnode() is registered with the pci\nsubsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime\nduring a PCI host bridge probe. But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\n\n Unable to handle kernel paging request at virtual address ffff8000816c0400\n  gicv2m_get_fwnode+0x0/0x58 (P)\n  pci_set_bus_msi_domain+0x74/0x88\n  pci_register_host_bridge+0x194/0x548\n\nThis is easily reproducible on a Juno board with ACPI boot.\n\nRetain the function for later use."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: irqchip/gic-v2m: Impedir el uso tras la liberaci\u00f3n de gicv2m_get_fwnode() Con ACPI en su lugar, gicv2m_get_fwnode() se registra en el subsistema pci como pci_msi_get_fwnode_cb(), que puede invocarse en tiempo de ejecuci\u00f3n durante un sondeo de puente de host PCI. Pero, la devoluci\u00f3n de llamada se marca err\u00f3neamente como __init, lo que provoca que se libere, mientras se registra en el subsistema PCI y podr\u00eda desencadenar: No se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual ffff8000816c0400 gicv2m_get_fwnode+0x0/0x58 (P) pci_set_bus_msi_domain+0x74/0x88 pci_register_host_bridge+0x194/0x548 Esto es f\u00e1cilmente reproducible en una placa Juno con arranque ACPI. Conserve la funci\u00f3n para uso posterior."
          }
        ],
        "id": "CVE-2025-37819",
        "lastModified": "2026-06-17T09:15:30.200",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                "version": "2.0.3"
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        "published": "2025-05-08T07:15:53.140",
        "references": [
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            "tags": [
              "Patch"
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          },
          {
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            "tags": [
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          {
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            "tags": [
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T00:36:01+00:00",
      "cve": "CVE-2025-37819",
      "id": "CVE-2025-37819",
      "initial_release_date": "2025-05-08T00:00:00+00:00",
      "product_status:fixed": "1503",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-37819.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T01:59:16Z",
      "cve": "CVE-2025-37819",
      "id": "CVE-2025-37819",
      "initial_release_date": "2025-05-09T03:23:12Z",
      "product_status:known_affected": "699",
      "product_status:known_not_affected": "137",
      "product_status:recommended": "479",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-37819",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-37819.json",
      "version": "41"
    },
    "vulnrichment": {
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          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T19:55:52.082Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
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                "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
              },
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-37819",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-10T20:42:12.226735Z",
                    "version": "2.0.3"
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            "providerMetadata": {
              "dateUpdated": "2026-06-11T17:39:09.736Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/irqchip/irq-gic-v2m.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
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                  "status": "affected",
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                  "versionType": "git"
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                {
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
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                  "status": "affected",
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                {
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                  "versionType": "git"
                },
                {
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                  "status": "affected",
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            {
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              "product": "Linux",
              "programFiles": [
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              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
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                  "version": "4.5"
                },
                {
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                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
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                  "status": "unaffected",
                  "version": "5.4.294",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.238",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.182",
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                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.138",
                  "versionType": "semver"
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                  "status": "unaffected",
                  "version": "6.6.89",
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                },
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                  "version": "6.12.26",
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                  "version": "6.14.5",
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                  "status": "unaffected",
                  "version": "6.15",
                  "versionType": "original_commit_for_fix"
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          "cpeApplicability": [
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              "nodes": [
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                  "negate": false,
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          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()\n\nWith ACPI in place, gicv2m_get_fwnode() is registered with the pci\nsubsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime\nduring a PCI host bridge probe. But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\n\n Unable to handle kernel paging request at virtual address ffff8000816c0400\n  gicv2m_get_fwnode+0x0/0x58 (P)\n  pci_set_bus_msi_domain+0x74/0x88\n  pci_register_host_bridge+0x194/0x548\n\nThis is easily reproducible on a Juno board with ACPI boot.\n\nRetain the function for later use."
            }
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            "dateUpdated": "2026-05-11T21:15:45.443Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
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            },
            {
              "url": "https://git.kernel.org/stable/c/3318dc299b072a0511d6dfd8367f3304fb6d9827"
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          ],
          "title": "irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()",
          "x_generator": {
            "engine": "bippy-1.2.0"
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        "assignerShortName": "Linux",
        "cveId": "CVE-2025-37819",
        "datePublished": "2025-05-08T06:26:13.975Z",
        "dateReserved": "2025-04-16T04:51:23.947Z",
        "dateUpdated": "2026-06-11T18:44:20.498Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
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    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.