{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kexec: Avoid deadlock in kexec crash path\n\nIf the kexec crash code is called in the interrupt context, the\nmachine_kexec_mask_interrupts() function will trigger a deadlock while\ntrying to acquire the irqdesc spinlock and then deactivate irqchip in\nirq_set_irqchip_state() function.\n\nUnlike arm64, riscv only requires irq_eoi handler to complete EOI and\nkeeping irq_set_irqchip_state() will only leave this possible deadlock\nwithout any use. So we simply remove it."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "arch/riscv/kernel/machine_kexec.c"
               ],
               "versions": [
                  {
                     "version": "12f237200c16",
                     "lessThan": "bb80a7911218",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b17d19a5314a",
                     "lessThan": "653deee48a46",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b17d19a5314a",
                     "lessThan": "7692c9b6baac",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b17d19a5314a",
                     "lessThan": "484dd545271d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b17d19a5314a",
                     "lessThan": "c562ba719df5",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "arch/riscv/kernel/machine_kexec.c"
               ],
               "versions": [
                  {
                     "version": "6.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.1",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.163",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.98",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.39",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.9",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/bb80a7911218bbab2a69b5db7d2545643ab0073d"
            },
            {
               "url": "https://git.kernel.org/stable/c/653deee48a4682ea17a05b96fb6842795ab5943c"
            },
            {
               "url": "https://git.kernel.org/stable/c/7692c9b6baacdee378435f58f19baf0eb69e4155"
            },
            {
               "url": "https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692"
            },
            {
               "url": "https://git.kernel.org/stable/c/c562ba719df570c986caf0941fea2449150bcbc4"
            }
         ],
         "title": "riscv: kexec: Avoid deadlock in kexec crash path",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-42140",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}