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CVE-2024-44953 (GCVE-0-2024-44953)

Vulnerability from cvelistv5 – Published: 2024-09-04 18:35 – Updated: 2026-05-11 20:32
VLAI
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 <ffffffee5e71ddb0> __switch_to+0x1a8/0x2d4 <ffffffee5e71e604> __schedule+0x684/0xa98 <ffffffee5e71ea60> schedule+0x48/0xc8 <ffffffee5e725f78> schedule_timeout+0x48/0x170 <ffffffee5e71fb74> do_wait_for_common+0x108/0x1b0 <ffffffee5e71efe0> wait_for_completion+0x44/0x60 <ffffffee5d6de968> __flush_work+0x39c/0x424 <ffffffee5d6decc0> __cancel_work_sync+0xd8/0x208 <ffffffee5d6dee2c> cancel_delayed_work_sync+0x14/0x28 <ffffffee5e2551b8> __ufshcd_wl_suspend+0x19c/0x480 <ffffffee5e255fb8> ufshcd_wl_runtime_suspend+0x3c/0x1d4 <ffffffee5dffd80c> scsi_runtime_suspend+0x78/0xc8 <ffffffee5df93580> __rpm_callback+0x94/0x3e0 <ffffffee5df90b0c> rpm_suspend+0x2d4/0x65c <ffffffee5df91448> __pm_runtime_suspend+0x80/0x114 <ffffffee5dffd95c> scsi_runtime_idle+0x38/0x6c <ffffffee5df912f4> rpm_idle+0x264/0x338 <ffffffee5df90f14> __pm_runtime_idle+0x80/0x110 <ffffffee5e24ce44> ufshcd_rtc_work+0x128/0x1e4 <ffffffee5d6e3a40> process_one_work+0x26c/0x650 <ffffffee5d6e65c8> worker_thread+0x260/0x3d8 <ffffffee5d6edec8> kthread+0x110/0x134 <ffffffee5d616b18> ret_from_fork+0x10/0x20 Skip updating RTC if RPM state is not RPM_ACTIVE.
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 17:40 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 06701a545e9a3c4e007cff6872a074bf97c40619 , < a4921b76bc9421d3838e167f6a17ea3112d8fe62 (git)
Affected: 6bf999e0eb41850d5c857102535d5c53b2ede224 , < f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5 (git)
Affected: 6bf999e0eb41850d5c857102535d5c53b2ede224 , < 3911af778f208e5f49d43ce739332b91e26bc48e (git)
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Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.10.5 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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          {
            "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\u003cffffffee5e71ddb0\u003e __switch_to+0x1a8/0x2d4\n\u003cffffffee5e71e604\u003e __schedule+0x684/0xa98\n\u003cffffffee5e71ea60\u003e schedule+0x48/0xc8\n\u003cffffffee5e725f78\u003e schedule_timeout+0x48/0x170\n\u003cffffffee5e71fb74\u003e do_wait_for_common+0x108/0x1b0\n\u003cffffffee5e71efe0\u003e wait_for_completion+0x44/0x60\n\u003cffffffee5d6de968\u003e __flush_work+0x39c/0x424\n\u003cffffffee5d6decc0\u003e __cancel_work_sync+0xd8/0x208\n\u003cffffffee5d6dee2c\u003e cancel_delayed_work_sync+0x14/0x28\n\u003cffffffee5e2551b8\u003e __ufshcd_wl_suspend+0x19c/0x480\n\u003cffffffee5e255fb8\u003e ufshcd_wl_runtime_suspend+0x3c/0x1d4\n\u003cffffffee5dffd80c\u003e scsi_runtime_suspend+0x78/0xc8\n\u003cffffffee5df93580\u003e __rpm_callback+0x94/0x3e0\n\u003cffffffee5df90b0c\u003e rpm_suspend+0x2d4/0x65c\n\u003cffffffee5df91448\u003e __pm_runtime_suspend+0x80/0x114\n\u003cffffffee5dffd95c\u003e scsi_runtime_idle+0x38/0x6c\n\u003cffffffee5df912f4\u003e rpm_idle+0x264/0x338\n\u003cffffffee5df90f14\u003e __pm_runtime_idle+0x80/0x110\n\u003cffffffee5e24ce44\u003e ufshcd_rtc_work+0x128/0x1e4\n\u003cffffffee5d6e3a40\u003e process_one_work+0x26c/0x650\n\u003cffffffee5d6e65c8\u003e worker_thread+0x260/0x3d8\n\u003cffffffee5d6edec8\u003e kthread+0x110/0x134\n\u003cffffffee5d616b18\u003e 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. "
          }
        ],
        "id": "CVE-2024-44953",
        "lastModified": "2026-06-17T07:53:17.917",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2024-44953",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:40:13.660426Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-09-04T19:15:30.297",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-667"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:32:17+00:00",
      "cve": "CVE-2024-44953",
      "id": "CVE-2024-44953",
      "initial_release_date": "2024-09-04T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: ufs: core: Fix deadlock during RTC update",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-44953.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T02:26:20Z",
      "cve": "CVE-2024-44953",
      "id": "CVE-2024-44953",
      "initial_release_date": "2024-09-05T02:47:15Z",
      "product_status:known_not_affected": "399",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-44953",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-44953.json",
      "version": "19"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-44953",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T17:40:13.660426Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:27.650Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/ufs/core/ufshcd-priv.h",
                "drivers/ufs/core/ufshcd.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "a4921b76bc9421d3838e167f6a17ea3112d8fe62",
                  "status": "affected",
                  "version": "06701a545e9a3c4e007cff6872a074bf97c40619",
                  "versionType": "git"
                },
                {
                  "lessThan": "f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5",
                  "status": "affected",
                  "version": "6bf999e0eb41850d5c857102535d5c53b2ede224",
                  "versionType": "git"
                },
                {
                  "lessThan": "3911af778f208e5f49d43ce739332b91e26bc48e",
                  "status": "affected",
                  "version": "6bf999e0eb41850d5c857102535d5c53b2ede224",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/ufs/core/ufshcd-priv.h",
                "drivers/ufs/core/ufshcd.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": "6.10.*",
                  "status": "unaffected",
                  "version": "6.10.5",
                  "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": "6.10.5",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "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\u003cffffffee5e71ddb0\u003e __switch_to+0x1a8/0x2d4\n\u003cffffffee5e71e604\u003e __schedule+0x684/0xa98\n\u003cffffffee5e71ea60\u003e schedule+0x48/0xc8\n\u003cffffffee5e725f78\u003e schedule_timeout+0x48/0x170\n\u003cffffffee5e71fb74\u003e do_wait_for_common+0x108/0x1b0\n\u003cffffffee5e71efe0\u003e wait_for_completion+0x44/0x60\n\u003cffffffee5d6de968\u003e __flush_work+0x39c/0x424\n\u003cffffffee5d6decc0\u003e __cancel_work_sync+0xd8/0x208\n\u003cffffffee5d6dee2c\u003e cancel_delayed_work_sync+0x14/0x28\n\u003cffffffee5e2551b8\u003e __ufshcd_wl_suspend+0x19c/0x480\n\u003cffffffee5e255fb8\u003e ufshcd_wl_runtime_suspend+0x3c/0x1d4\n\u003cffffffee5dffd80c\u003e scsi_runtime_suspend+0x78/0xc8\n\u003cffffffee5df93580\u003e __rpm_callback+0x94/0x3e0\n\u003cffffffee5df90b0c\u003e rpm_suspend+0x2d4/0x65c\n\u003cffffffee5df91448\u003e __pm_runtime_suspend+0x80/0x114\n\u003cffffffee5dffd95c\u003e scsi_runtime_idle+0x38/0x6c\n\u003cffffffee5df912f4\u003e rpm_idle+0x264/0x338\n\u003cffffffee5df90f14\u003e __pm_runtime_idle+0x80/0x110\n\u003cffffffee5e24ce44\u003e ufshcd_rtc_work+0x128/0x1e4\n\u003cffffffee5d6e3a40\u003e process_one_work+0x26c/0x650\n\u003cffffffee5d6e65c8\u003e worker_thread+0x260/0x3d8\n\u003cffffffee5d6edec8\u003e kthread+0x110/0x134\n\u003cffffffee5d616b18\u003e ret_from_fork+0x10/0x20\n\nSkip updating RTC if RPM state is not RPM_ACTIVE."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:32:38.911Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62"
            },
            {
              "url": "https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"
            },
            {
              "url": "https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e"
            }
          ],
          "title": "scsi: ufs: core: Fix deadlock during RTC update",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-44953",
        "datePublished": "2024-09-04T18:35:52.974Z",
        "dateReserved": "2024-08-21T05:34:56.666Z",
        "dateUpdated": "2026-05-11T20:32:38.911Z",
        "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.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.