Vulnerability-Lookup

GHSA-C2QC-RJ55-83M4

Vulnerability from github – Published: 2026-03-25 12:30 – Updated: 2026-03-25 12:30

Details

In the Linux kernel, the following vulnerability has been resolved:

HID: pidff: Fix condition effect bit clearing

As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared.

Properly clear all conditional effect bits from ffbit

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-23349"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-25T11:16:33Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: pidff: Fix condition effect bit clearing\n\nAs reported by MPDarkGuy on discord, NULL pointer dereferences were\nhappening because not all the conditional effects bits were cleared.\n\nProperly clear all conditional effect bits from ffbit",
  "id": "GHSA-c2qc-rj55-83m4",
  "modified": "2026-03-25T12:30:23Z",
  "published": "2026-03-25T12:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23349"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23349 (GCVE-0-2026-23349)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-03-25 10:27

Title

HID: pidff: Fix condition effect bit clearing

Summary

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared. Properly clear all conditional effect bits from ffbit

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/d1edc027a4b0bb4c7…
	https://git.kernel.org/stable/c/ef0e669dbceaf3d7b…
	https://git.kernel.org/stable/c/97d5c8f5c09a604c4…

Impacted products

Vendor

Product

Version

Linux

Affected: 7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e , < d1edc027a4b0bb4c7a2670b530590b4df6177011 (git)
Affected: 7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e , < ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b (git)
Affected: 7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e , < 97d5c8f5c09a604c4873c8348f58de3cea69a7df (git)

Linux

Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc3 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/hid/usbhid/hid-pidff.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d1edc027a4b0bb4c7a2670b530590b4df6177011",
              "status": "affected",
              "version": "7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e",
              "versionType": "git"
            },
            {
              "lessThan": "ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b",
              "status": "affected",
              "version": "7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e",
              "versionType": "git"
            },
            {
              "lessThan": "97d5c8f5c09a604c4873c8348f58de3cea69a7df",
              "status": "affected",
              "version": "7f3d7bc0df4bdc23d31cf0f90b6e20c45129465e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/hid/usbhid/hid-pidff.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0-rc3",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: pidff: Fix condition effect bit clearing\n\nAs reported by MPDarkGuy on discord, NULL pointer dereferences were\nhappening because not all the conditional effects bits were cleared.\n\nProperly clear all conditional effect bits from ffbit"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T10:27:35.443Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011"
        },
        {
          "url": "https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b"
        },
        {
          "url": "https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df"
        }
      ],
      "title": "HID: pidff: Fix condition effect bit clearing",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23349",
    "datePublished": "2026-03-25T10:27:35.443Z",
    "dateReserved": "2026-01-13T15:37:45.999Z",
    "dateUpdated": "2026-03-25T10:27:35.443Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-C2QC-RJ55-83M4

CVE-2026-23349 (GCVE-0-2026-23349)

Tags

Sightings

Nomenclature