Vulnerability-Lookup

FKIE_CVE-2022-49839

Vulnerability from fkie_nvd - Published: 2025-05-01 15:16 - Updated: 2026-06-17 05:19

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_transport_sas: Fix error handling in sas_phy_add() If transport_add_device() fails in sas_phy_add(), the kernel will crash trying to delete the device in transport_remove_device() called from sas_remove_host(). Unable to handle kernel NULL pointer dereference at virtual address 0000000000000108 CPU: 61 PID: 42829 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc1+ #173 pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : device_del+0x54/0x3d0 lr : device_del+0x37c/0x3d0 Call trace: device_del+0x54/0x3d0 attribute_container_class_device_del+0x28/0x38 transport_remove_classdev+0x6c/0x80 attribute_container_device_trigger+0x108/0x110 transport_remove_device+0x28/0x38 sas_phy_delete+0x30/0x60 [scsi_transport_sas] do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas] device_for_each_child+0x68/0xb0 sas_remove_children+0x40/0x50 [scsi_transport_sas] sas_remove_host+0x20/0x38 [scsi_transport_sas] hisi_sas_remove+0x40/0x68 [hisi_sas_main] hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw] platform_remove+0x2c/0x60 Fix this by checking and handling return value of transport_add_device() in sas_phy_add().

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/03aabcb88aeeb7221ddb6196ae84ad5fb17b743f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2f21d653c648735657e23948b1d7ac7273de0f87	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c736876ee294bb4f271d76a25cc7d70c8537bc5d	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/scsi_transport_sas.c"
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            }
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        },
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          ],
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              "version": "5.15.80",
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              "version": "6.0.10",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_transport_sas: Fix error handling in sas_phy_add()\n\nIf transport_add_device() fails in sas_phy_add(), the kernel will crash\ntrying to delete the device in transport_remove_device() called from\nsas_remove_host().\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000108\nCPU: 61 PID: 42829 Comm: rmmod Kdump: loaded Tainted: G        W          6.1.0-rc1+ #173\npstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x54/0x3d0\nlr : device_del+0x37c/0x3d0\nCall trace:\n device_del+0x54/0x3d0\n attribute_container_class_device_del+0x28/0x38\n transport_remove_classdev+0x6c/0x80\n attribute_container_device_trigger+0x108/0x110\n transport_remove_device+0x28/0x38\n sas_phy_delete+0x30/0x60 [scsi_transport_sas]\n do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas]\n device_for_each_child+0x68/0xb0\n sas_remove_children+0x40/0x50 [scsi_transport_sas]\n sas_remove_host+0x20/0x38 [scsi_transport_sas]\n hisi_sas_remove+0x40/0x68 [hisi_sas_main]\n hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw]\n platform_remove+0x2c/0x60\n\nFix this by checking and handling return value of transport_add_device()\nin sas_phy_add()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: scsi_transport_sas: Corregir error de manejo en sas_phy_add() Si transport_add_device() falla en sas_phy_add(), el kernel se bloquear\u00e1 al intentar eliminar el dispositivo en transport_remove_device() llamado desde sas_remove_host(). No se puede manejar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 0000000000000108 CPU: 61 PID: 42829 Comm: rmmod Kdump: cargado Tainted: GW 6.1.0-rc1+ #173 pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : device_del+0x54/0x3d0 lr : device_del+0x37c/0x3d0 Rastreo de llamadas: device_del+0x54/0x3d0 attribute_container_class_device_del+0x28/0x38 transport_remove_classdev+0x6c/0x80 attribute_container_device_trigger+0x108/0x110 transport_remove_device+0x28/0x38 sas_phy_delete+0x30/0x60 [scsi_transport_sas] do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas] device_for_each_child+0x68/0xb0 sas_remove_children+0x40/0x50 [scsi_transport_sas] sas_remove_host+0x20/0x38 [scsi_transport_sas] hisi_sas_remove+0x40/0x68 [hisi_sas_main] hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw] platform_remove+0x2c/0x60 Fix this by checking and handling return value of transport_add_device() in sas_phy_add(). "
    }
  ],
  "id": "CVE-2022-49839",
  "lastModified": "2026-06-17T05:19:16.047",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
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          "userInteraction": "NONE",
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          "options": [
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          "role": "CISA Coordinator",
          "timestamp": "2025-10-01T17:01:16.805772Z",
          "version": "2.0.3"
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  "vulnStatus": "Modified",
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          "lang": "en",
          "value": "CWE-476"
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      "type": "Primary"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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  ]
}

CVE-2022-49839 (GCVE-0-2022-49839)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2026-05-11 19:07

Title

scsi: scsi_transport_sas: Fix error handling in sas_phy_add()

Summary

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 17:01 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/03aabcb88aeeb7221…
https://git.kernel.org/stable/c/2f21d653c64873565…
https://git.kernel.org/stable/c/c736876ee294bb4f2…
https://git.kernel.org/stable/c/5d7bebf2dfb0dc97a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c7ebbbce366c02e5657ac6b6059933fe0353b175 , < 03aabcb88aeeb7221ddb6196ae84ad5fb17b743f (git) Affected: c7ebbbce366c02e5657ac6b6059933fe0353b175 , < 2f21d653c648735657e23948b1d7ac7273de0f87 (git) Affected: c7ebbbce366c02e5657ac6b6059933fe0353b175 , < c736876ee294bb4f271d76a25cc7d70c8537bc5d (git) Affected: c7ebbbce366c02e5657ac6b6059933fe0353b175 , < 5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f (git)
Linux	Linux	Affected: 2.6.14 Unaffected: 0 , < 2.6.14 (semver) Unaffected: 5.10.157 , ≤ 5.10.* (semver) Unaffected: 5.15.80 , ≤ 5.15.* (semver) Unaffected: 6.0.10 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
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              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49839",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T17:01:16.805772Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
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              {
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                "description": "CWE-476 NULL Pointer Dereference",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_transport_sas: Fix error handling in sas_phy_add()\n\nIf transport_add_device() fails in sas_phy_add(), the kernel will crash\ntrying to delete the device in transport_remove_device() called from\nsas_remove_host().\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000108\nCPU: 61 PID: 42829 Comm: rmmod Kdump: loaded Tainted: G        W          6.1.0-rc1+ #173\npstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x54/0x3d0\nlr : device_del+0x37c/0x3d0\nCall trace:\n device_del+0x54/0x3d0\n attribute_container_class_device_del+0x28/0x38\n transport_remove_classdev+0x6c/0x80\n attribute_container_device_trigger+0x108/0x110\n transport_remove_device+0x28/0x38\n sas_phy_delete+0x30/0x60 [scsi_transport_sas]\n do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas]\n device_for_each_child+0x68/0xb0\n sas_remove_children+0x40/0x50 [scsi_transport_sas]\n sas_remove_host+0x20/0x38 [scsi_transport_sas]\n hisi_sas_remove+0x40/0x68 [hisi_sas_main]\n hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw]\n platform_remove+0x2c/0x60\n\nFix this by checking and handling return value of transport_add_device()\nin sas_phy_add()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:07:46.414Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/03aabcb88aeeb7221ddb6196ae84ad5fb17b743f"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f21d653c648735657e23948b1d7ac7273de0f87"
        },
        {
          "url": "https://git.kernel.org/stable/c/c736876ee294bb4f271d76a25cc7d70c8537bc5d"
        },
        {
          "url": "https://git.kernel.org/stable/c/5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f"
        }
      ],
      "title": "scsi: scsi_transport_sas: Fix error handling in sas_phy_add()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49839",
    "datePublished": "2025-05-01T14:09:55.599Z",
    "dateReserved": "2025-05-01T14:05:17.229Z",
    "dateUpdated": "2026-05-11T19:07:46.414Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.