{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/soc/tegra/pmc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "64016227dcdb968b7030eda04304f3d0df5d209d",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "e6d96073af681780820c94079b978474a8a44413",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/soc/tegra/pmc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc/tegra: pmc: Fix unsafe generic_handle_irq() call\n\nCurrently, when resuming from system suspend on Tegra platforms,\nthe following warning is observed:\n\nWARNING: CPU: 0 PID: 14459 at kernel/irq/irqdesc.c:666\nCall trace:\n handle_irq_desc+0x20/0x58 (P)\n tegra186_pmc_wake_syscore_resume+0xe4/0x15c\n syscore_resume+0x3c/0xb8\n suspend_devices_and_enter+0x510/0x540\n pm_suspend+0x16c/0x1d8\n\nThe warning occurs because generic_handle_irq() is being called from\na non-interrupt context which is considered as unsafe.\n\nFix this warning by deferring generic_handle_irq() call to an IRQ work\nwhich gets executed in hard IRQ context where generic_handle_irq()\ncan be called safely.\n\nWhen PREEMPT_RT kernels are used, regular IRQ work (initialized with\ninit_irq_work) is deferred to run in per-CPU kthreads in preemptible\ncontext rather than hard IRQ context. Hence, use the IRQ_WORK_INIT_HARD\nvariant so that with PREEMPT_RT kernels, the IRQ work is processed in\nhardirq context instead of being deferred to a thread which is required\nfor calling generic_handle_irq().\n\nOn non-PREEMPT_RT kernels, both init_irq_work() and IRQ_WORK_INIT_HARD()\nexecute in IRQ context, so this change has no functional impact for\nstandard kernel configurations.\n\n[treding@nvidia.com: miscellaneous cleanups]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T13:11:29.068Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/64016227dcdb968b7030eda04304f3d0df5d209d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6d96073af681780820c94079b978474a8a44413"
        }
      ],
      "title": "soc/tegra: pmc: Fix unsafe generic_handle_irq() call",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43311",
    "datePublished": "2026-05-08T13:11:29.068Z",
    "dateReserved": "2026-05-01T14:12:56.001Z",
    "dateUpdated": "2026-05-08T13:11:29.068Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-43311\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-08T14:16:39.480\",\"lastModified\":\"2026-05-08T14:16:39.480\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsoc/tegra: pmc: Fix unsafe generic_handle_irq() call\\n\\nCurrently, when resuming from system suspend on Tegra platforms,\\nthe following warning is observed:\\n\\nWARNING: CPU: 0 PID: 14459 at kernel/irq/irqdesc.c:666\\nCall trace:\\n handle_irq_desc+0x20/0x58 (P)\\n tegra186_pmc_wake_syscore_resume+0xe4/0x15c\\n syscore_resume+0x3c/0xb8\\n suspend_devices_and_enter+0x510/0x540\\n pm_suspend+0x16c/0x1d8\\n\\nThe warning occurs because generic_handle_irq() is being called from\\na non-interrupt context which is considered as unsafe.\\n\\nFix this warning by deferring generic_handle_irq() call to an IRQ work\\nwhich gets executed in hard IRQ context where generic_handle_irq()\\ncan be called safely.\\n\\nWhen PREEMPT_RT kernels are used, regular IRQ work (initialized with\\ninit_irq_work) is deferred to run in per-CPU kthreads in preemptible\\ncontext rather than hard IRQ context. Hence, use the IRQ_WORK_INIT_HARD\\nvariant so that with PREEMPT_RT kernels, the IRQ work is processed in\\nhardirq context instead of being deferred to a thread which is required\\nfor calling generic_handle_irq().\\n\\nOn non-PREEMPT_RT kernels, both init_irq_work() and IRQ_WORK_INIT_HARD()\\nexecute in IRQ context, so this change has no functional impact for\\nstandard kernel configurations.\\n\\n[treding@nvidia.com: miscellaneous cleanups]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/64016227dcdb968b7030eda04304f3d0df5d209d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6d96073af681780820c94079b978474a8a44413\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}