CVE-2026-46326 (GCVE-0-2026-46326)

Vulnerability from cvelistv5 – Published: 2026-06-09 12:25 – Updated: 2026-08-05 12:31
VLAI
Title
iio: pressure: mprls0025pa: fix spi_transfer struct initialisation
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: pressure: mprls0025pa: fix spi_transfer struct initialisation Make sure that the spi_transfer struct is zeroed out before use.
Severity
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a0858f0cd28e822b91376ae288d5548bc1847531 , < 72158f9ae29a9e56d0f9704ce461a866feaf9925 (git)
Affected: a0858f0cd28e822b91376ae288d5548bc1847531 , < 664ffdf34c01810085e4d85508b361c3fdd2ab40 (git)
Affected: a0858f0cd28e822b91376ae288d5548bc1847531 , < 9080c7ac30f5f8f8fcb7b27b56df60fea7909c21 (git)
Affected: a0858f0cd28e822b91376ae288d5548bc1847531 , < 1e0ac56c92e26115cbc8cfc639843725cb3a7d6a (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.14 , ≤ 6.18.* (semver)
Unaffected: 6.19.4 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/pressure/mprls0025pa_spi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "72158f9ae29a9e56d0f9704ce461a866feaf9925",
              "status": "affected",
              "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
              "versionType": "git"
            },
            {
              "lessThan": "664ffdf34c01810085e4d85508b361c3fdd2ab40",
              "status": "affected",
              "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
              "versionType": "git"
            },
            {
              "lessThan": "9080c7ac30f5f8f8fcb7b27b56df60fea7909c21",
              "status": "affected",
              "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
              "versionType": "git"
            },
            {
              "lessThan": "1e0ac56c92e26115cbc8cfc639843725cb3a7d6a",
              "status": "affected",
              "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/pressure/mprls0025pa_spi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.9"
            },
            {
              "lessThan": "6.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.14",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.4",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: pressure: mprls0025pa: fix spi_transfer struct initialisation\n\nMake sure that the spi_transfer struct is zeroed out before use."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is reached only through local kernel interfaces (IIO sysfs reads or buffered IIO character-device access) that invoke mpr_spi_xfer(); there is no network-facing or pre-auth remote code path to this driver.\nAC:L - On any system with the SPI driver bound to a Honeywell MPR sensor, an attacker can trigger the uninitialized spi_transfer on every pressure read with a simple, repeatable sysfs access; no race or attacker-uncontrollable memory layout is required.\nPR:N - IIO in_pressure_raw sysfs attributes are world-readable (0444), so any local unprivileged user can invoke the vulnerable SPI transfer without capabilities or namespace elevation.\nUI:N - Exploitation requires only the attacker reading the sensor sysfs node; no victim interaction such as plugging hardware or mounting filesystems is needed.\nS:U - Impact is confined to kernel memory and SPI subsystem state on the same host; it does not cross a VM, container, or IOMMU security boundary.\nC:H - Stack garbage in spi_transfer fields (especially transfer_list and DMA mapping flags) corrupts SPI core linked lists and mapping state, enabling arbitrary kernel memory reads during exploitation of the resulting corruption primitive.\nI:H - The same uninitialized fields produce out-of-bounds linked-list manipulation and potential erroneous DMA unmap operations, which are classic kernel memory-corruption primitives that can be leveraged for arbitrary write and code execution.\nA:H - Corrupting spi_message transfer lists or SPI/DMA teardown paths can cause immediate kernel oops/panic or sustained denial of service via malformed CS/delay handling on the SPI bus."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T12:31:21.635Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/72158f9ae29a9e56d0f9704ce461a866feaf9925"
        },
        {
          "url": "https://git.kernel.org/stable/c/664ffdf34c01810085e4d85508b361c3fdd2ab40"
        },
        {
          "url": "https://git.kernel.org/stable/c/9080c7ac30f5f8f8fcb7b27b56df60fea7909c21"
        },
        {
          "url": "https://git.kernel.org/stable/c/1e0ac56c92e26115cbc8cfc639843725cb3a7d6a"
        }
      ],
      "title": "iio: pressure: mprls0025pa: fix spi_transfer struct initialisation",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46326",
    "datePublished": "2026-06-09T12:25:53.893Z",
    "dateReserved": "2026-05-13T15:03:33.112Z",
    "dateUpdated": "2026-08-05T12:31:21.635Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46326",
      "date": "2026-09-22",
      "epss": "0.00132",
      "percentile": "0.03151"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/iio/pressure/mprls0025pa_spi.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "72158f9ae29a9e56d0f9704ce461a866feaf9925",
                    "status": "affected",
                    "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "664ffdf34c01810085e4d85508b361c3fdd2ab40",
                    "status": "affected",
                    "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "9080c7ac30f5f8f8fcb7b27b56df60fea7909c21",
                    "status": "affected",
                    "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "1e0ac56c92e26115cbc8cfc639843725cb3a7d6a",
                    "status": "affected",
                    "version": "a0858f0cd28e822b91376ae288d5548bc1847531",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/iio/pressure/mprls0025pa_spi.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.9"
                  },
                  {
                    "lessThan": "6.9",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.75",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.14",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.19.*",
                    "status": "unaffected",
                    "version": "6.19.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "7.0",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F8A1C6F6-2847-4C53-ABFC-8F07D96900D2",
                    "versionEndExcluding": "6.12.75",
                    "versionStartIncluding": "6.9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7",
                    "versionEndExcluding": "6.18.14",
                    "versionStartIncluding": "6.13",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092",
                    "versionEndExcluding": "6.19.4",
                    "versionStartIncluding": "6.19",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: pressure: mprls0025pa: fix spi_transfer struct initialisation\n\nMake sure that the spi_transfer struct is zeroed out before use."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad se ha resuelto:\n\niio: pressure: mprls0025pa: correcci\u00f3n de la inicializaci\u00f3n de la estructura spi_transfer\n\nAseg\u00farese de que la estructura spi_transfer se ponga a cero antes de su uso."
          }
        ],
        "id": "CVE-2026-46326",
        "lastModified": "2026-07-23T08:10:00.137",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 8.4,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.5,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-06-09T14:16:42.300",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1e0ac56c92e26115cbc8cfc639843725cb3a7d6a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/664ffdf34c01810085e4d85508b361c3fdd2ab40"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/72158f9ae29a9e56d0f9704ce461a866feaf9925"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9080c7ac30f5f8f8fcb7b27b56df60fea7909c21"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:42:14+00:00",
      "cve": "CVE-2026-46326",
      "id": "CVE-2026-46326",
      "initial_release_date": "2026-06-09T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: iio: pressure: mprls0025pa: fix spi_transfer struct initialisation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46326.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


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.