cve-2024-26671
Vulnerability from cvelistv5
Published
2024-04-02 06:49
Modified
2024-11-05 09:13
Severity ?
Summary
blk-mq: fix IO hang from sbitmap wakeup race
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:14:12.464Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-26671",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:53:32.693372Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:33:37.992Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "block/blk-mq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9525b38180e2",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "ecd7744a1446",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "7610ba131925",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "89e0e66682e1",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "1d9c777d3e70",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "6d8b01624a25",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "f1bc0d8163f8",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "5266caaf5660",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "block/blk-mq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.307",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.269",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.210",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.149",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix IO hang from sbitmap wakeup race\n\nIn blk_mq_mark_tag_wait(), __add_wait_queue() may be re-ordered\nwith the following blk_mq_get_driver_tag() in case of getting driver\ntag failure.\n\nThen in __sbitmap_queue_wake_up(), waitqueue_active() may not observe\nthe added waiter in blk_mq_mark_tag_wait() and wake up nothing, meantime\nblk_mq_mark_tag_wait() can\u0027t get driver tag successfully.\n\nThis issue can be reproduced by running the following test in loop, and\nfio hang can be observed in \u003c 30min when running it on my test VM\nin laptop.\n\n\tmodprobe -r scsi_debug\n\tmodprobe scsi_debug delay=0 dev_size_mb=4096 max_queue=1 host_max_queue=1 submit_queues=4\n\tdev=`ls -d /sys/bus/pseudo/drivers/scsi_debug/adapter*/host*/target*/*/block/* | head -1 | xargs basename`\n\tfio --filename=/dev/\"$dev\" --direct=1 --rw=randrw --bs=4k --iodepth=1 \\\n       \t\t--runtime=100 --numjobs=40 --time_based --name=test \\\n        \t--ioengine=libaio\n\nFix the issue by adding one explicit barrier in blk_mq_mark_tag_wait(), which\nis just fine in case of running out of tag."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:13:36.071Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676"
        },
        {
          "url": "https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10"
        },
        {
          "url": "https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f"
        },
        {
          "url": "https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2"
        },
        {
          "url": "https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed"
        }
      ],
      "title": "blk-mq: fix IO hang from sbitmap wakeup race",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26671",
    "datePublished": "2024-04-02T06:49:13.834Z",
    "dateReserved": "2024-02-19T14:20:24.150Z",
    "dateUpdated": "2024-11-05T09:13:36.071Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26671\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:43.830\",\"lastModified\":\"2024-11-05T10:15:39.883\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nblk-mq: fix IO hang from sbitmap wakeup race\\n\\nIn blk_mq_mark_tag_wait(), __add_wait_queue() may be re-ordered\\nwith the following blk_mq_get_driver_tag() in case of getting driver\\ntag failure.\\n\\nThen in __sbitmap_queue_wake_up(), waitqueue_active() may not observe\\nthe added waiter in blk_mq_mark_tag_wait() and wake up nothing, meantime\\nblk_mq_mark_tag_wait() can\u0027t get driver tag successfully.\\n\\nThis issue can be reproduced by running the following test in loop, and\\nfio hang can be observed in \u003c 30min when running it on my test VM\\nin laptop.\\n\\n\\tmodprobe -r scsi_debug\\n\\tmodprobe scsi_debug delay=0 dev_size_mb=4096 max_queue=1 host_max_queue=1 submit_queues=4\\n\\tdev=`ls -d /sys/bus/pseudo/drivers/scsi_debug/adapter*/host*/target*/*/block/* | head -1 | xargs basename`\\n\\tfio --filename=/dev/\\\"$dev\\\" --direct=1 --rw=randrw --bs=4k --iodepth=1 \\\\\\n       \\t\\t--runtime=100 --numjobs=40 --time_based --name=test \\\\\\n        \\t--ioengine=libaio\\n\\nFix the issue by adding one explicit barrier in blk_mq_mark_tag_wait(), which\\nis just fine in case of running out of tag.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: blk-mq: corrige el bloqueo de IO de la carrera de activaci\u00f3n del mapa de bits En blk_mq_mark_tag_wait(), __add_wait_queue() se puede reordenar con el siguiente blk_mq_get_driver_tag() en caso de que se produzca un error en la etiqueta del controlador. Luego, en __sbitmap_queue_wake_up(), waitqueue_active() puede no observar al camarero agregado en blk_mq_mark_tag_wait() y no despertar nada, mientras tanto, blk_mq_mark_tag_wait() no puede obtener la etiqueta del controlador correctamente. Este problema se puede reproducir ejecutando la siguiente prueba en bucle, y se puede observar un bloqueo de fio en \u0026lt; 30 minutos cuando lo ejecuto en mi m\u00e1quina virtual de prueba en una computadora port\u00e1til. modprobe -r scsi_debug modprobe scsi_debug delay=0 dev_size_mb=4096 max_queue=1 host_max_queue=1 submit_queues=4 dev=`ls -d /sys/bus/pseudo/drivers/scsi_debug/adapter*/host*/target*/*/block /* | cabeza -1 | xargs basename` fio --filename=/dev/\\\"$dev\\\" --direct=1 --rw=randrw --bs=4k --io Depth=1 \\\\ --runtime=100 --numjobs=40 --time_based - -name=test \\\\ --ioengine=libaio Solucione el problema agregando una barrera expl\u00edcita en blk_mq_mark_tag_wait(), lo cual est\u00e1 bien en caso de quedarse sin etiqueta.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.