CVE-2026-46296 (GCVE-0-2026-46296)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:46 – Updated: 2026-06-19 12:00
VLAI
Title
spi: s3c64xx: fix NULL-deref on driver unbind
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: s3c64xx: fix NULL-deref on driver unbind A change moving DMA channel allocation from probe() back to s3c64xx_spi_prepare_transfer() failed to remove the corresponding deallocation from remove(). Drop the bogus DMA channel release from remove() to avoid triggering a NULL-pointer dereference on driver unbind. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 323a258f4b1916b5a3098618e036e033b2f2317f (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 1b66f16a571a10ba8889ac471755c8af9c5b9266 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 22788b1a8611380b141e09a8896702e32d164238 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 45daacbead8a009844bd5dba6cfa731332184d17 (git)
Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.176 , ≤ 6.1.* (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-s3c64xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            },
            {
              "lessThan": "1108b8722b9ff0cdd3e8aa18d98244fcd93b6760",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            },
            {
              "lessThan": "323a258f4b1916b5a3098618e036e033b2f2317f",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            },
            {
              "lessThan": "1b66f16a571a10ba8889ac471755c8af9c5b9266",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            },
            {
              "lessThan": "22788b1a8611380b141e09a8896702e32d164238",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            },
            {
              "lessThan": "45daacbead8a009844bd5dba6cfa731332184d17",
              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-s3c64xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.176",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: s3c64xx: fix NULL-deref on driver unbind\n\nA change moving DMA channel allocation from probe() back to\ns3c64xx_spi_prepare_transfer() failed to remove the corresponding\ndeallocation from remove().\n\nDrop the bogus DMA channel release from remove() to avoid triggering a\nNULL-pointer dereference on driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-19T12:00:10.948Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760"
        },
        {
          "url": "https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266"
        },
        {
          "url": "https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238"
        },
        {
          "url": "https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17"
        }
      ],
      "title": "spi: s3c64xx: fix NULL-deref on driver unbind",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46296",
    "datePublished": "2026-06-08T15:46:23.539Z",
    "dateReserved": "2026-05-13T15:03:33.110Z",
    "dateUpdated": "2026-06-19T12:00:10.948Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46296",
      "date": "2026-06-19",
      "epss": "0.00156",
      "percentile": "0.05143"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46296\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-06-08T17:16:48.037\",\"lastModified\":\"2026-06-08T17:16:48.037\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nspi: s3c64xx: fix NULL-deref on driver unbind\\n\\nA change moving DMA channel allocation from probe() back to\\ns3c64xx_spi_prepare_transfer() failed to remove the corresponding\\ndeallocation from remove().\\n\\nDrop the bogus DMA channel release from remove() to avoid triggering a\\nNULL-pointer dereference on driver unbind.\\n\\nThis issue was flagged by Sashiko when reviewing a controller\\nderegistration fix.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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.