Vulnerability-Lookup

FKIE_CVE-2026-31389

Vulnerability from fkie_nvd - Published: 2026-04-03 16:16 - Updated: 2026-04-07 13:20

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses."
    }
  ],
  "id": "CVE-2026-31389",
  "lastModified": "2026-04-07T13:20:55.200",
  "metrics": {},
  "published": "2026-04-03T16:16:36.823",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2026-31389 (GCVE-0-2026-31389)

Vulnerability from cvelistv5 – Published: 2026-04-03 15:15 – Updated: 2026-04-03 15:15

Title

spi: fix use-after-free on controller registration failure

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/0e23f50086da7d0b1…
	https://git.kernel.org/stable/c/6bbd385b30c7fb6c7…
	https://git.kernel.org/stable/c/afe27c1f43aa57530…
	https://git.kernel.org/stable/c/80f3e8cd2b4ad355b…
	https://git.kernel.org/stable/c/23b51bad2eb8787aa…
	https://git.kernel.org/stable/c/8634e05b08ead636e…

Impacted products

Vendor

Product

Version

Linux

Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 0e23f50086da7d0b183dfeac26021acfcdee086b (git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 6bbd385b30c7fb6c7ee0669e9ada91490938c051 (git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < afe27c1f43aa57530011f419be6ddf71306565d2 (git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 80f3e8cd2b4ad355b2ad2024cf423f6d183404f7 (git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 23b51bad2eb8787aa74324cfccefb258515ae5ba (git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 8634e05b08ead636e926022f4a98416e13440df9 (git)

Linux

Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.20 , ≤ 6.18.* (semver)
Unaffected: 6.19.10 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0e23f50086da7d0b183dfeac26021acfcdee086b",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            },
            {
              "lessThan": "6bbd385b30c7fb6c7ee0669e9ada91490938c051",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            },
            {
              "lessThan": "afe27c1f43aa57530011f419be6ddf71306565d2",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            },
            {
              "lessThan": "80f3e8cd2b4ad355b2ad2024cf423f6d183404f7",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            },
            {
              "lessThan": "23b51bad2eb8787aa74324cfccefb258515ae5ba",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            },
            {
              "lessThan": "8634e05b08ead636e926022f4a98416e13440df9",
              "status": "affected",
              "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi.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": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.78",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.20",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.10",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0-rc5",
                  "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: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-03T15:15:55.068Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b"
        },
        {
          "url": "https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051"
        },
        {
          "url": "https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2"
        },
        {
          "url": "https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9"
        }
      ],
      "title": "spi: fix use-after-free on controller registration failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31389",
    "datePublished": "2026-04-03T15:15:55.068Z",
    "dateReserved": "2026-03-09T15:48:24.084Z",
    "dateUpdated": "2026-04-03T15:15:55.068Z",
    "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

FKIE_CVE-2026-31389

CVE-2026-31389 (GCVE-0-2026-31389)

Tags

Sightings

Nomenclature