Vulnerability-Lookup

GHSA-VVJJ-6M9V-RG8G

Vulnerability from github – Published: 2026-06-08 18:31 – Updated: 2026-06-19 15:33

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46296"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-08T17:16:48Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-vvjj-6m9v-rg8g",
  "modified": "2026-06-19T15:33:14Z",
  "published": "2026-06-08T18:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46296"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-06-08 15:46 – Updated: 2026-06-19 12:00

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

Linux

References

6 references

URL	Tags
https://git.kernel.org/stable/c/29e219a18e21258bd…
https://git.kernel.org/stable/c/1108b8722b9ff0cdd…
https://git.kernel.org/stable/c/323a258f4b1916b5a…
https://git.kernel.org/stable/c/1b66f16a571a10ba8…
https://git.kernel.org/stable/c/22788b1a8611380b1…
https://git.kernel.org/stable/c/45daacbead8a00984…

Impacted products

2 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)
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)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-s3c64xx.c"
          ],
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          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "f52b03c707444c5a3d1a0b9c5724f93ddc3c588e",
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            {
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              "status": "affected",
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              "versionType": "git"
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          "product": "Linux",
          "programFiles": [
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          ],
          "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": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                },
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          "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."
        }
      ],
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        "dateUpdated": "2026-06-19T12:00:10.948Z",
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        {
          "url": "https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760"
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        {
          "url": "https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17"
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  "cveMetadata": {
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    "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"
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}

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.

Action not permitted

GHSA-VVJJ-6M9V-RG8G

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

Tags

Sightings

Nomenclature