scsi: ufs: core: Fix deadlock during RTC update

{
  "id": "840c8b6235da9b7c170ef9fe6580cdb52a673179356226907ad19e7427f28bc2",
  "url": "https://osv.dev/vulnerability/CVE-2024-44953",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "scsi: ufs: core: Fix deadlock during RTC update",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix deadlock during RTC update There is a deadlock when runtime suspend waits for the flush of RTC work, and the RTC work calls ufshcd_rpm_get_sync() to wait for runtime resume. Here is deadlock backtrace: 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.",
    "evidence": "osv:CVE-2024-44953",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.10.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-44953",
      "aliases": [
        "CVE-2024-44953"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "06701a545e9a3c4e007cff6872a074bf97c40619"
                },
                {
                  "fixed": "a4921b76bc9421d3838e167f6a17ea3112d8fe62"
                }
              ]
            },
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6bf999e0eb41850d5c857102535d5c53b2ede224"
                },
                {
                  "fixed": "f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"
                },
                {
                  "fixed": "3911af778f208e5f49d43ce739332b91e26bc48e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44953.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.8.0"
                },
                {
                  "fixed": "6.10.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44953.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.454648819Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e",
        "https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62",
        "https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44953.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-44953",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44953.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-44953",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 491735,
  "published_at": "2024-09-04T18:35:52.974+00:00"
}