Vulnerability-Lookup

FKIE_CVE-2024-35847

Vulnerability from fkie_nvd - Published: 2024-05-17 15:15 - Updated: 2026-08-04 11:17

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent double free on error The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least one interrupt. This happens because its_vpe_irq_domain_free() frees the interrupts along with the area bitmap and the vprop_page and its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the vprop_page again. Fix this by unconditionally invoking its_vpe_irq_domain_free() which handles all cases correctly and by removing the bitmap/vprop_page freeing from its_vpe_irq_domain_alloc(). [ tglx: Massaged change log ]

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9
debian	debian_linux	10.0

JSON

To clipboard

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              "version": "6.6.30",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v3-its: Prevent double free on error\n\nThe error handling path in its_vpe_irq_domain_alloc() causes a double free\nwhen its_vpe_init() fails after successfully allocating at least one\ninterrupt. This happens because its_vpe_irq_domain_free() frees the\ninterrupts along with the area bitmap and the vprop_page and\nits_vpe_irq_domain_alloc() subsequently frees the area bitmap and the\nvprop_page again.\n\nFix this by unconditionally invoking its_vpe_irq_domain_free() which\nhandles all cases correctly and by removing the bitmap/vprop_page freeing\nfrom its_vpe_irq_domain_alloc().\n\n[ tglx: Massaged change log ]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: irqchip/gic-v3-its: Evitar el double free en caso de error. La ruta de manejo de errores en its_vpe_irq_domain_alloc() provoca un double free cuando its_vpe_init() falla despu\u00e9s de asignar exitosamente al menos una interrupci\u00f3n. Esto sucede porque its_vpe_irq_domain_free() libera las interrupciones junto con el mapa de bits del \u00e1rea y la vprop_page y its_vpe_irq_domain_alloc() posteriormente libera nuevamente el mapa de bits del \u00e1rea y la vprop_page. Solucione este problema invocando incondicionalmente its_vpe_irq_domain_free() que maneja todos los casos correctamente y eliminando el mapa de bits/vprop_page que se libera de its_vpe_irq_domain_alloc()."
    }
  ],
  "id": "CVE-2024-35847",
  "lastModified": "2026-08-04T11:17:58.660",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
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          "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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          "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",
          "version": "3.1"
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        "impactScore": 5.9,
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          "options": [
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            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-12T15:13:12.628141Z",
          "version": "2.0.3"
        }
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  "published": "2024-05-17T15:15:21.620",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}

CVE-2024-35847 (GCVE-0-2024-35847)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:47 – Updated: 2026-08-05 11:30

Title

irqchip/gic-v3-its: Prevent double free on error

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-12 15:13 UTC

Assigner

Linux mitre root Scorecard

References

10 references

URL	Tags
https://git.kernel.org/stable/c/f5417ff561b8ac9a7…
https://git.kernel.org/stable/c/b72d2b1448b682844…
https://git.kernel.org/stable/c/aa44d21574751a7d6…
https://git.kernel.org/stable/c/5dbdbe1133911ca7d…
https://git.kernel.org/stable/c/dd681710ab77c8bea…
https://git.kernel.org/stable/c/03170e657f62c2683…
https://git.kernel.org/stable/c/5b012f77abde89bf0…
https://git.kernel.org/stable/c/c26591afd33adce29…
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
https://lists.debian.org/debian-lts-announce/2024…	x_transferred

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < f5417ff561b8ac9a7e53c747b8627a7ab58378ae (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < b72d2b1448b682844f995e660b77f2a1fabc1662 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < aa44d21574751a7d6bca892eb8e0e9ac68372e52 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < 5dbdbe1133911ca7d8466bb86885adec32ad9438 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < dd681710ab77c8beafe2e263064cb1bd0e2d6ca9 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < 03170e657f62c26834172742492a8cb8077ef792 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < 5b012f77abde89bf0be8a0547636184fea618137 (git) Affected: 7d75bbb4bc1ad90386776459d37e4ddfe605671e , < c26591afd33adce296c022e3480dea4282b7ef91 (git)
Linux	Linux	Affected: 4.14 Unaffected: 0 , < 4.14 (semver) Unaffected: 4.19.313 , ≤ 4.19.* (semver) Unaffected: 5.4.275 , ≤ 5.4.* (semver) Unaffected: 5.10.216 , ≤ 5.10.* (semver) Unaffected: 5.15.158 , ≤ 5.15.* (semver) Unaffected: 6.1.90 , ≤ 6.1.* (semver) Unaffected: 6.6.30 , ≤ 6.6.* (semver) Unaffected: 6.8.9 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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              "version": "0",
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              "version": "5.10.216",
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                  "vulnerable": true
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The only path into `its_vpe_irq_domain_alloc()` is the local `/dev/kvm` ioctl chain (`KVM_CREATE_VM`/`KVM_CREATE_VCPU`/`KVM_CREATE_DEVICE`/`KVM_DEV_ARM_ VGIC_CTRL_INIT` \u2192 `vgic_v4_init()` \u2192 `its_alloc_vcpu_irqs()`). No network, adjacent, or remote-peer input reaches this code.\nAC:L - The attacker deterministically creates the failure condition by exhausting the global 65536-entry `its_vpeid_ida` with its own VMs/vCPUs, then launching a multi-vCPU VM so vCPU 0 succeeds and vCPU 1 gets `-ENOSPC` \u2014 and it also chooses `nr_vcpus`, which selects the bitmap\u0027s kmalloc size class for grooming. Nothing depends on a race or on state outside the attacker\u0027s control; GICv4 hardware is the vulnerable configuration, not an attacker-uncontrolled precondition.\nPR:L - Only an unprivileged local account with an fd on `/dev/kvm` is needed \u2014 the `kvm` group on ordinary distros, world-accessible on many Android/ChromeOS/cloud images, and routinely passed into containers and untrusted-tenant VMM processes. There is no capability check on `vgic_init()`/`vgic_v4_init()`/`its_alloc_vcpu_irqs()`.\nUI:N - The attacker performs every step itself \u2014 draining the VPE ID space with its own VMs, then creating the VM whose vGIC init trips the error path. No victim action or other user\u0027s involvement is required.\nS:U - The defect and its consequences are confined to host kernel memory within a single security authority; no VM-escape, IOMMU, or sandbox boundary is crossed by the corruption itself.\nC:H - The `kmalloc()` inside the second `free_lpi_range()` reallocates the just-freed bitmap as a live `struct lpi_range`, which is then freed again, leaving a list-linked object on the slab freelist \u2014 a use-after-free the attacker can realloc and read back, giving uncontrolled disclosure of kernel memory. The duplicated `free_lpi_range()` additionally hands identical LPI IDs to two different devices/VMs, aliasing interrupt configuration and pending state across owners.\nI:H - The same dangling `lpi_range` can be re-allocated with attacker-controlled bytes, so `merge_lpi_ranges()`/`list_del()` operate on a forged `list_head` \u2014 a write-what-where primitive suitable for control-flow hijacking and privilege escalation. The order-4 `vprop_page` is also released twice, corrupting buddy-allocator state.\nA:H - Even unexploited, the double `kfree()`/`free_pages()` trips SLUB double-free detection, page refcount underflow, or later freelist corruption, producing an oops or panic. Any local user with `/dev/kvm` can trigger it at will and repeatedly."
            }
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        }
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        },
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      "x_generator": {
        "engine": "bippy-1.2.0"
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35847",
    "datePublished": "2024-05-17T14:47:26.175Z",
    "dateReserved": "2024-05-17T13:50:33.105Z",
    "dateUpdated": "2026-08-05T11:30:16.581Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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FKIE_CVE-2024-35847

CVE-2024-35847 (GCVE-0-2024-35847)

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