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CVE-2023-54007 (GCVE-0-2023-54007)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:55 – Updated: 2026-05-11 19:53
VLAI
Title
vmci_host: fix a race condition in vmci_host_poll() causing GPF
Summary
In the Linux kernel, the following vulnerability has been resolved: vmci_host: fix a race condition in vmci_host_poll() causing GPF During fuzzing, a general protection fault is observed in vmci_host_poll(). general protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf] RIP: 0010:__lock_acquire+0xf3/0x5e00 kernel/locking/lockdep.c:4926 <- omitting registers -> Call Trace: <TASK> lock_acquire+0x1a4/0x4a0 kernel/locking/lockdep.c:5672 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:162 add_wait_queue+0x3d/0x260 kernel/sched/wait.c:22 poll_wait include/linux/poll.h:49 [inline] vmci_host_poll+0xf8/0x2b0 drivers/misc/vmw_vmci/vmci_host.c:174 vfs_poll include/linux/poll.h:88 [inline] do_pollfd fs/select.c:873 [inline] do_poll fs/select.c:921 [inline] do_sys_poll+0xc7c/0x1aa0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll+0x2cc/0x330 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4e/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x46/0xb0 Example thread interleaving that causes the general protection fault is as follows: CPU1 (vmci_host_poll) CPU2 (vmci_host_do_init_context) ----- ----- // Read uninitialized context context = vmci_host_dev->context; // Initialize context vmci_host_dev->context = vmci_ctx_create(); vmci_host_dev->ct_type = VMCIOBJ_CONTEXT; if (vmci_host_dev->ct_type == VMCIOBJ_CONTEXT) { // Dereferencing the wrong pointer poll_wait(..., &context->host_context); } In this scenario, vmci_host_poll() reads vmci_host_dev->context first, and then reads vmci_host_dev->ct_type to check that vmci_host_dev->context is initialized. However, since these two reads are not atomically executed, there is a chance of a race condition as described above. To fix this race condition, read vmci_host_dev->context after checking the value of vmci_host_dev->ct_type so that vmci_host_poll() always reads an initialized context.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < 2053e93ac15519ed1f1fe6eba79a33a4963be4a3 (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < ca0f4ad2b7a36c799213ef0a213eb977a51e03dc (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < 85b4aa4eb2e3a0da111fd0a1cdbf00f986ac6b6b (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < 770d30b1355c6c8879973dd054fca9168def182c (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < d22b2a35729cb1de311cb650cd67518a24e13fc9 (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < 67e35824f861a05b44b19d38e16a83f653bd9d92 (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < ab64bd32b9fac27ff4737d63711b9db5e5462448 (git)
Affected: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 , < ae13381da5ff0e8e084c0323c3cc0a945e43e9c7 (git)
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Linux Linux Affected: 3.9
Unaffected: 0 , < 3.9 (semver)
Unaffected: 4.19.283 , ≤ 4.19.* (semver)
Unaffected: 5.4.243 , ≤ 5.4.* (semver)
Unaffected: 5.10.180 , ≤ 5.10.* (semver)
Unaffected: 5.15.111 , ≤ 5.15.* (semver)
Unaffected: 6.1.28 , ≤ 6.1.* (semver)
Unaffected: 6.2.15 , ≤ 6.2.* (semver)
Unaffected: 6.3.2 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/vmw_vmci/vmci_host.c"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvmci_host: fix a race condition in vmci_host_poll() causing GPF\n\nDuring fuzzing, a general protection fault is observed in\nvmci_host_poll().\n\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf]\nRIP: 0010:__lock_acquire+0xf3/0x5e00 kernel/locking/lockdep.c:4926\n\u003c- omitting registers -\u003e\nCall Trace:\n \u003cTASK\u003e\n lock_acquire+0x1a4/0x4a0 kernel/locking/lockdep.c:5672\n __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]\n _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:162\n add_wait_queue+0x3d/0x260 kernel/sched/wait.c:22\n poll_wait include/linux/poll.h:49 [inline]\n vmci_host_poll+0xf8/0x2b0 drivers/misc/vmw_vmci/vmci_host.c:174\n vfs_poll include/linux/poll.h:88 [inline]\n do_pollfd fs/select.c:873 [inline]\n do_poll fs/select.c:921 [inline]\n do_sys_poll+0xc7c/0x1aa0 fs/select.c:1015\n __do_sys_ppoll fs/select.c:1121 [inline]\n __se_sys_ppoll+0x2cc/0x330 fs/select.c:1101\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x4e/0xa0 arch/x86/entry/common.c:82\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nExample thread interleaving that causes the general protection fault\nis as follows:\n\nCPU1 (vmci_host_poll)               CPU2 (vmci_host_do_init_context)\n-----                               -----\n// Read uninitialized context\ncontext = vmci_host_dev-\u003econtext;\n                                    // Initialize context\n                                    vmci_host_dev-\u003econtext = vmci_ctx_create();\n                                    vmci_host_dev-\u003ect_type = VMCIOBJ_CONTEXT;\n\nif (vmci_host_dev-\u003ect_type == VMCIOBJ_CONTEXT) {\n    // Dereferencing the wrong pointer\n    poll_wait(..., \u0026context-\u003ehost_context);\n}\n\nIn this scenario, vmci_host_poll() reads vmci_host_dev-\u003econtext first,\nand then reads vmci_host_dev-\u003ect_type to check that\nvmci_host_dev-\u003econtext is initialized. However, since these two reads\nare not atomically executed, there is a chance of a race condition as\ndescribed above.\n\nTo fix this race condition, read vmci_host_dev-\u003econtext after checking\nthe value of vmci_host_dev-\u003ect_type so that vmci_host_poll() always\nreads an initialized context."
        }
      ],
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        "dateUpdated": "2026-05-11T19:53:29.294Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/d22b2a35729cb1de311cb650cd67518a24e13fc9"
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        {
          "url": "https://git.kernel.org/stable/c/ae13381da5ff0e8e084c0323c3cc0a945e43e9c7"
        }
      ],
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54007",
    "datePublished": "2025-12-24T10:55:41.281Z",
    "dateReserved": "2025-12-24T10:53:46.177Z",
    "dateUpdated": "2026-05-11T19:53:29.294Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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    "epss": {
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      "date": "2026-09-18",
      "epss": "0.00215",
      "percentile": "0.12227"
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            "affectedData": [
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                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
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                    "versionType": "semver"
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                    "versionType": "original_commit_for_fix"
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvmci_host: fix a race condition in vmci_host_poll() causing GPF\n\nDuring fuzzing, a general protection fault is observed in\nvmci_host_poll().\n\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf]\nRIP: 0010:__lock_acquire+0xf3/0x5e00 kernel/locking/lockdep.c:4926\n\u003c- omitting registers -\u003e\nCall Trace:\n \u003cTASK\u003e\n lock_acquire+0x1a4/0x4a0 kernel/locking/lockdep.c:5672\n __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]\n _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:162\n add_wait_queue+0x3d/0x260 kernel/sched/wait.c:22\n poll_wait include/linux/poll.h:49 [inline]\n vmci_host_poll+0xf8/0x2b0 drivers/misc/vmw_vmci/vmci_host.c:174\n vfs_poll include/linux/poll.h:88 [inline]\n do_pollfd fs/select.c:873 [inline]\n do_poll fs/select.c:921 [inline]\n do_sys_poll+0xc7c/0x1aa0 fs/select.c:1015\n __do_sys_ppoll fs/select.c:1121 [inline]\n __se_sys_ppoll+0x2cc/0x330 fs/select.c:1101\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x4e/0xa0 arch/x86/entry/common.c:82\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nExample thread interleaving that causes the general protection fault\nis as follows:\n\nCPU1 (vmci_host_poll)               CPU2 (vmci_host_do_init_context)\n-----                               -----\n// Read uninitialized context\ncontext = vmci_host_dev-\u003econtext;\n                                    // Initialize context\n                                    vmci_host_dev-\u003econtext = vmci_ctx_create();\n                                    vmci_host_dev-\u003ect_type = VMCIOBJ_CONTEXT;\n\nif (vmci_host_dev-\u003ect_type == VMCIOBJ_CONTEXT) {\n    // Dereferencing the wrong pointer\n    poll_wait(..., \u0026context-\u003ehost_context);\n}\n\nIn this scenario, vmci_host_poll() reads vmci_host_dev-\u003econtext first,\nand then reads vmci_host_dev-\u003ect_type to check that\nvmci_host_dev-\u003econtext is initialized. However, since these two reads\nare not atomically executed, there is a chance of a race condition as\ndescribed above.\n\nTo fix this race condition, read vmci_host_dev-\u003econtext after checking\nthe value of vmci_host_dev-\u003ect_type so that vmci_host_poll() always\nreads an initialized context."
          }
        ],
        "id": "CVE-2023-54007",
        "lastModified": "2026-06-17T06:46:31.600",
        "metrics": {},
        "published": "2025-12-24T11:15:53.633",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/2053e93ac15519ed1f1fe6eba79a33a4963be4a3"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/67e35824f861a05b44b19d38e16a83f653bd9d92"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/770d30b1355c6c8879973dd054fca9168def182c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/85b4aa4eb2e3a0da111fd0a1cdbf00f986ac6b6b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/ab64bd32b9fac27ff4737d63711b9db5e5462448"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/ae13381da5ff0e8e084c0323c3cc0a945e43e9c7"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/ca0f4ad2b7a36c799213ef0a213eb977a51e03dc"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/d22b2a35729cb1de311cb650cd67518a24e13fc9"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:22:54+00:00",
      "cve": "CVE-2023-54007",
      "id": "CVE-2023-54007",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: vmci_host: fix a race condition in vmci_host_poll() causing GPF",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54007.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T01:41:40Z",
      "cve": "CVE-2023-54007",
      "id": "CVE-2023-54007",
      "initial_release_date": "2025-12-25T00:57:51Z",
      "product_status:known_affected": "608",
      "product_status:known_not_affected": "180",
      "product_status:recommended": "196",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-54007",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-54007.json",
      "version": "22"
    }
  }
}



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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.