GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-64589 (GCVE-0-2026-64589)

Vulnerability from cvelistv5 – Published: 2026-08-06 07:13 – Updated: 2026-08-17 04:58
VLAI
Title
i2c: core: fix NULL-deref on adapter registration failure
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix NULL-deref on adapter registration failure If adapter registration ever fails the release callback would trigger a NULL-pointer dereference as the completion struct has not been initialised. Note that before the offending commit this would instead have resulted in a minor memory leak of the adapter name.
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e19f31169f85c712c9fca35bfd28ceb093a9f574 , < 2ce0a74bfa3acdfcdb00cf02f181f2754b451f42 (git)
Affected: 3f8c4f5e9a57868fa107016c81165686d23325f2 , < 3351c5e77749a0c8a1e252b95420c143ebcf07ac (git)
Affected: 3f8c4f5e9a57868fa107016c81165686d23325f2 , < 034e307428119b67f5f18a35e4f4e7d15a2b9774 (git)
Affected: 3f8c4f5e9a57868fa107016c81165686d23325f2 , < 2295d2bb101faa663fbc45fadbb3fec45f107441 (git)
Affected: 6.12.11 , < 6.12.96 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.13
Unaffected: 0 , < 6.13 (semver)
Unaffected: 6.12.96 , ≤ 6.12.* (semver)
Unaffected: 6.18.39 , ≤ 6.18.* (semver)
Unaffected: 7.1.4 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/i2c-core-base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2ce0a74bfa3acdfcdb00cf02f181f2754b451f42",
              "status": "affected",
              "version": "e19f31169f85c712c9fca35bfd28ceb093a9f574",
              "versionType": "git"
            },
            {
              "lessThan": "3351c5e77749a0c8a1e252b95420c143ebcf07ac",
              "status": "affected",
              "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
              "versionType": "git"
            },
            {
              "lessThan": "034e307428119b67f5f18a35e4f4e7d15a2b9774",
              "status": "affected",
              "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
              "versionType": "git"
            },
            {
              "lessThan": "2295d2bb101faa663fbc45fadbb3fec45f107441",
              "status": "affected",
              "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
              "versionType": "git"
            },
            {
              "lessThan": "6.12.96",
              "status": "affected",
              "version": "6.12.11",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/i2c-core-base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "lessThan": "6.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.96",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.96",
                  "versionStartIncluding": "6.12.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.39",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.4",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: core: fix NULL-deref on adapter registration failure\n\nIf adapter registration ever fails the release callback would trigger a\nNULL-pointer dereference as the completion struct has not been\ninitialised.\n\nNote that before the offending commit this would instead have resulted\nin a minor memory leak of the adapter name."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:58:10.524Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2ce0a74bfa3acdfcdb00cf02f181f2754b451f42"
        },
        {
          "url": "https://git.kernel.org/stable/c/3351c5e77749a0c8a1e252b95420c143ebcf07ac"
        },
        {
          "url": "https://git.kernel.org/stable/c/034e307428119b67f5f18a35e4f4e7d15a2b9774"
        },
        {
          "url": "https://git.kernel.org/stable/c/2295d2bb101faa663fbc45fadbb3fec45f107441"
        }
      ],
      "title": "i2c: core: fix NULL-deref on adapter registration failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-64589",
    "datePublished": "2026-08-06T07:13:47.291Z",
    "dateReserved": "2026-07-19T15:36:31.798Z",
    "dateUpdated": "2026-08-17T04:58:10.524Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-64589",
      "date": "2026-09-18",
      "epss": "0.00156",
      "percentile": "0.05228"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/i2c/i2c-core-base.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "2ce0a74bfa3acdfcdb00cf02f181f2754b451f42",
                    "status": "affected",
                    "version": "e19f31169f85c712c9fca35bfd28ceb093a9f574",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "3351c5e77749a0c8a1e252b95420c143ebcf07ac",
                    "status": "affected",
                    "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "034e307428119b67f5f18a35e4f4e7d15a2b9774",
                    "status": "affected",
                    "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "2295d2bb101faa663fbc45fadbb3fec45f107441",
                    "status": "affected",
                    "version": "3f8c4f5e9a57868fa107016c81165686d23325f2",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "6.12.96",
                    "status": "affected",
                    "version": "6.12.11",
                    "versionType": "semver"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/i2c/i2c-core-base.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.13"
                  },
                  {
                    "lessThan": "6.13",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.96",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.39",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.1.*",
                    "status": "unaffected",
                    "version": "7.1.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "7.2",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: core: fix NULL-deref on adapter registration failure\n\nIf adapter registration ever fails the release callback would trigger a\nNULL-pointer dereference as the completion struct has not been\ninitialised.\n\nNote that before the offending commit this would instead have resulted\nin a minor memory leak of the adapter name."
          }
        ],
        "id": "CVE-2026-64589",
        "lastModified": "2026-08-17T05:18:05.320",
        "metrics": {},
        "published": "2026-08-06T08:16:34.240",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/034e307428119b67f5f18a35e4f4e7d15a2b9774"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/2295d2bb101faa663fbc45fadbb3fec45f107441"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/2ce0a74bfa3acdfcdb00cf02f181f2754b451f42"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/3351c5e77749a0c8a1e252b95420c143ebcf07ac"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-10T02:19:58Z",
      "cve": "CVE-2026-64589",
      "id": "CVE-2026-64589",
      "initial_release_date": "2026-08-06T23:55:49Z",
      "product_status:known_affected": "94",
      "product_status:known_not_affected": "280",
      "product_status:recommended": "4",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-64589",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-64589.json",
      "version": "5"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…