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 (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
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)
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)
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."
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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.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/irqchip/irq-gic-v2m.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"0c241dedc43a036599757cd08f356253fa3e5014\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"b63de43af8d215b0499eac28b2caa4439183efc1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"f95659affee301464f0d058d528d96b35b452da8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"dc0d654eb4179b06d3206e4396d072108b9ba082\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"2f2803e4b5e4df2b08d378deaab78b1681ef9b30\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"3939d6f29d34cdb60e3f68b76e39e00a964a1d51\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"47bee0081b483b077c7560bc5358ad101f89c8ef\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0644b3daca28dcb320373ae20069c269c9386304\",\"lessThan\":\"3318dc299b072a0511d6dfd8367f3304fb6d9827\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/irqchip/irq-gic-v2m.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.5\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.5\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.294\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.238\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.182\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.138\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.89\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.26\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14.5\",\"lessThanOrEqual\":\"6.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.15\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-10T20:42:12.226735Z\",\"id\":\"CVE-2025-37819\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA 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    "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"
    },
    "vulnrichment": {
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\"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0644b3daca28dcb320373ae20069c269c9386304\", \"lessThan\": \"3939d6f29d34cdb60e3f68b76e39e00a964a1d51\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0644b3daca28dcb320373ae20069c269c9386304\", \"lessThan\": \"47bee0081b483b077c7560bc5358ad101f89c8ef\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0644b3daca28dcb320373ae20069c269c9386304\", \"lessThan\": \"3318dc299b072a0511d6dfd8367f3304fb6d9827\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/irqchip/irq-gic-v2m.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.294\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.238\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.182\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.138\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.89\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.14.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.14.*\"}, {\"status\": \"unaffected\", \"version\": \"6.15\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/irqchip/irq-gic-v2m.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/0c241dedc43a036599757cd08f356253fa3e5014\"}, {\"url\": \"https://git.kernel.org/stable/c/b63de43af8d215b0499eac28b2caa4439183efc1\"}, {\"url\": \"https://git.kernel.org/stable/c/f95659affee301464f0d058d528d96b35b452da8\"}, {\"url\": \"https://git.kernel.org/stable/c/dc0d654eb4179b06d3206e4396d072108b9ba082\"}, {\"url\": \"https://git.kernel.org/stable/c/2f2803e4b5e4df2b08d378deaab78b1681ef9b30\"}, {\"url\": \"https://git.kernel.org/stable/c/3939d6f29d34cdb60e3f68b76e39e00a964a1d51\"}, {\"url\": \"https://git.kernel.org/stable/c/47bee0081b483b077c7560bc5358ad101f89c8ef\"}, {\"url\": \"https://git.kernel.org/stable/c/3318dc299b072a0511d6dfd8367f3304fb6d9827\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.294\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.238\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.182\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.138\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.89\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.26\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14.5\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.15\", \"versionStartIncluding\": \"4.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:15:45.443Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-37819\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:20.498Z\", \"dateReserved\": \"2025-04-16T04:51:23.947Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-05-08T06:26:13.975Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.