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CVE-2024-43851 (GCVE-0-2024-43851)

Vulnerability from cvelistv5 – Published: 2024-08-17 09:22 – Updated: 2026-05-23 15:53
VLAI
Title
soc: xilinx: rename cpu_number1 to dummy_cpu_number
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: xilinx: rename cpu_number1 to dummy_cpu_number The per cpu variable cpu_number1 is passed to xlnx_event_handler as argument "dev_id", but it is not used in this function. So drop the initialization of this variable and rename it to dummy_cpu_number. This patch is to fix the following call trace when the kernel option CONFIG_DEBUG_ATOMIC_SLEEP is enabled: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 preempt_count: 1, expected: 0 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0 #53 Hardware name: Xilinx Versal vmk180 Eval board rev1.1 (QSPI) (DT) Call trace: dump_backtrace+0xd0/0xe0 show_stack+0x18/0x40 dump_stack_lvl+0x7c/0xa0 dump_stack+0x18/0x34 __might_resched+0x10c/0x140 __might_sleep+0x4c/0xa0 __kmem_cache_alloc_node+0xf4/0x168 kmalloc_trace+0x28/0x38 __request_percpu_irq+0x74/0x138 xlnx_event_manager_probe+0xf8/0x298 platform_probe+0x68/0xd8
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:07 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 01946c3c83b2279fec685abc83f0d7b0468851db , < a5e507fadab76393cbc12344ebd65a417a09aa46 (git)
Affected: 4722924e7a6225ebf7b09bd7ac5fafc6e73bd4f8 , < a96e60a6ea6818fd37b1853283a512c49af38cf5 (git)
Affected: daed80ed07580e5adc0e6d8bc79933a35154135a , < f762acdaff9e54688be16e6c832c73a61533c1df (git)
Affected: daed80ed07580e5adc0e6d8bc79933a35154135a , < 4a95449dd975e2ea6629a034f3e74b46c9634916 (git)
Affected: 548bdbbdcd355f5a844c7122c83c9aab115051fa (git)
Affected: 6.1.77 , < 6.1.103 (semver)
Affected: 6.6.16 , < 6.6.44 (semver)
Affected: 6.7.4 , < 6.8 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.1.103 , ≤ 6.1.* (semver)
Unaffected: 6.6.44 , ≤ 6.6.* (semver)
Unaffected: 6.10.3 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "initial_release_date": "2024-08-17T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: soc: xilinx: rename cpu_number1 to dummy_cpu_number",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-43851.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T22:05:45.955Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-43851",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T16:07:24.012606Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
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            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:22.928Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/soc/xilinx/xlnx_event_manager.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
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                  "versionType": "git"
                },
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
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                  "status": "affected",
                  "version": "daed80ed07580e5adc0e6d8bc79933a35154135a",
                  "versionType": "git"
                },
                {
                  "lessThan": "4a95449dd975e2ea6629a034f3e74b46c9634916",
                  "status": "affected",
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                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "548bdbbdcd355f5a844c7122c83c9aab115051fa",
                  "versionType": "git"
                },
                {
                  "lessThan": "6.1.103",
                  "status": "affected",
                  "version": "6.1.77",
                  "versionType": "semver"
                },
                {
                  "lessThan": "6.6.44",
                  "status": "affected",
                  "version": "6.6.16",
                  "versionType": "semver"
                },
                {
                  "lessThan": "6.8",
                  "status": "affected",
                  "version": "6.7.4",
                  "versionType": "semver"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/soc/xilinx/xlnx_event_manager.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.8"
                },
                {
                  "lessThan": "6.8",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.103",
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                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.44",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.10.*",
                  "status": "unaffected",
                  "version": "6.10.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.11",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.103",
                      "versionStartIncluding": "6.1.77",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.44",
                      "versionStartIncluding": "6.6.16",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10.3",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    },
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                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
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            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: rename cpu_number1 to dummy_cpu_number\n\nThe per cpu variable cpu_number1 is passed to xlnx_event_handler as\nargument \"dev_id\", but it is not used in this function. So drop the\ninitialization of this variable and rename it to dummy_cpu_number.\nThis patch is to fix the following call trace when the kernel option\nCONFIG_DEBUG_ATOMIC_SLEEP is enabled:\n\nBUG: sleeping function called from invalid context at include/linux/sched/mm.h:274\n    in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0\n    preempt_count: 1, expected: 0\n    CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0 #53\n    Hardware name: Xilinx Versal vmk180 Eval board rev1.1 (QSPI) (DT)\n    Call trace:\n     dump_backtrace+0xd0/0xe0\n     show_stack+0x18/0x40\n     dump_stack_lvl+0x7c/0xa0\n     dump_stack+0x18/0x34\n     __might_resched+0x10c/0x140\n     __might_sleep+0x4c/0xa0\n     __kmem_cache_alloc_node+0xf4/0x168\n     kmalloc_trace+0x28/0x38\n     __request_percpu_irq+0x74/0x138\n     xlnx_event_manager_probe+0xf8/0x298\n     platform_probe+0x68/0xd8"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:53:00.346Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
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              "url": "https://git.kernel.org/stable/c/a5e507fadab76393cbc12344ebd65a417a09aa46"
            },
            {
              "url": "https://git.kernel.org/stable/c/a96e60a6ea6818fd37b1853283a512c49af38cf5"
            },
            {
              "url": "https://git.kernel.org/stable/c/f762acdaff9e54688be16e6c832c73a61533c1df"
            },
            {
              "url": "https://git.kernel.org/stable/c/4a95449dd975e2ea6629a034f3e74b46c9634916"
            }
          ],
          "title": "soc: xilinx: rename cpu_number1 to dummy_cpu_number",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-43851",
        "datePublished": "2024-08-17T09:22:09.159Z",
        "dateReserved": "2024-08-17T09:11:59.276Z",
        "dateUpdated": "2026-05-23T15:53:00.346Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.


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