{
  "id": "CVE-2024-44953",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-09-04T19:15:30.297",
  "lastModified": "2024-09-06T16:37:33.650",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix deadlock during RTC update\n\nThere is a deadlock when runtime suspend waits for the flush of RTC work,\nand the RTC work calls ufshcd_rpm_get_sync() to wait for runtime resume.\n\nHere is deadlock backtrace:\n\nkworker/0:1     D 4892.876354 10 10971 4859 0x4208060 0x8 10 0 120 670730152367\nptr            f0ffff80c2e40000 0 1 0x00000001 0x000000ff 0x000000ff 0x000000ff\n<ffffffee5e71ddb0> __switch_to+0x1a8/0x2d4\n<ffffffee5e71e604> __schedule+0x684/0xa98\n<ffffffee5e71ea60> schedule+0x48/0xc8\n<ffffffee5e725f78> schedule_timeout+0x48/0x170\n<ffffffee5e71fb74> do_wait_for_common+0x108/0x1b0\n<ffffffee5e71efe0> wait_for_completion+0x44/0x60\n<ffffffee5d6de968> __flush_work+0x39c/0x424\n<ffffffee5d6decc0> __cancel_work_sync+0xd8/0x208\n<ffffffee5d6dee2c> cancel_delayed_work_sync+0x14/0x28\n<ffffffee5e2551b8> __ufshcd_wl_suspend+0x19c/0x480\n<ffffffee5e255fb8> ufshcd_wl_runtime_suspend+0x3c/0x1d4\n<ffffffee5dffd80c> scsi_runtime_suspend+0x78/0xc8\n<ffffffee5df93580> __rpm_callback+0x94/0x3e0\n<ffffffee5df90b0c> rpm_suspend+0x2d4/0x65c\n<ffffffee5df91448> __pm_runtime_suspend+0x80/0x114\n<ffffffee5dffd95c> scsi_runtime_idle+0x38/0x6c\n<ffffffee5df912f4> rpm_idle+0x264/0x338\n<ffffffee5df90f14> __pm_runtime_idle+0x80/0x110\n<ffffffee5e24ce44> ufshcd_rtc_work+0x128/0x1e4\n<ffffffee5d6e3a40> process_one_work+0x26c/0x650\n<ffffffee5d6e65c8> worker_thread+0x260/0x3d8\n<ffffffee5d6edec8> kthread+0x110/0x134\n<ffffffee5d616b18> ret_from_fork+0x10/0x20\n\nSkip updating RTC if RPM state is not RPM_ACTIVE."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: ufs: core: Se corrige un bloqueo durante la actualizaci\u00f3n de RTC. Hay un bloqueo cuando la suspensi\u00f3n en tiempo de ejecuci\u00f3n espera la limpieza del trabajo de RTC y el trabajo de RTC llama a ufshcd_rpm_get_sync() para esperar la reanudaci\u00f3n del tiempo de ejecuci\u00f3n. Aqu\u00ed est\u00e1 el backtrace del bloqueo:  kworker/0:1 D 4892.876354 10 10971 4859 0x4208060 0x8 10 0 120 670730152367 ptr f0ffff80c2e40000 0 1 0x00000001 0x000000ff 0x000000ff 0x000000ff  __switch_to+0x1a8/0x2d4  __schedule+0x684/0xa98  schedule+0x48/0xc8  schedule_timeout+0x48/0x170  do_wait_for_common+0x108/0x1b0  wait_for_completion+0x44/0x60  __flush_work+0x39c/0x424  __cancel_work_sync+0xd8/0x208  cancel_delayed_work_sync+0x14/0x28  __ufshcd_wl_suspend+0x19c/0x480  ufshcd_wl_runtime_suspend+0x3c/0x1d4  scsi_runtime_suspend+0x78/0xc8  __rpm_callback+0x94/0x3e0  rpm_suspend+0x2d4/0x65c  __pm_runtime_suspend+0x80/0x114  scsi_runtime_idle+0x38/0x6c  rpm_idle+0x264/0x338  __pm_runtime_idle+0x80/0x110  ufshcd_rtc_work+0x128/0x1e4  process_one_work+0x26c/0x650  worker_thread+0x260/0x3d8  kthread+0x110/0x134  ret_from_fork+0x10/0x20 Skip updating RTC if RPM state is not RPM_ACTIVE. "
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.8",
              "versionEndExcluding": "6.10.5",
              "matchCriteriaId": "48E239A0-A959-4FAB-8475-D045FED3DDA5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    }
  ]
}