CVE-2026-64168 (GCVE-0-2026-64168)
Vulnerability from cvelistv5
Published
2026-07-19 15:40
Modified
2026-07-19 15:40
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: sprd: fix error pointer deref after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to check the dma.enabled flag before trying to release the DMA channels also on late probe errors to avoid dereferencing an error pointer (or attempting to release a channel a second time). This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.
References
Impacted products
Vendor Product Version
Linux Linux Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
Version: 386119bc7be9fa5114ced0274a22a943df890b4b
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{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-sprd.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "5.1"
            },
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              "version": "0",
              "versionType": "semver"
            },
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              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: sprd: fix error pointer deref after DMA setup failure\n\nThe driver falls back to PIO mode if DMA setup fails during probe.\n\nMake sure to check the dma.enabled flag before trying to release the DMA\nchannels also on late probe errors to avoid dereferencing an error\npointer (or attempting to release a channel a second time).\n\nThis issue was flagged by Sashiko when reviewing a devres allocation\nconversion patch."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T15:40:52.741Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/be74e276111f3c23b8e040c8c5e308f67a573add"
        },
        {
          "url": "https://git.kernel.org/stable/c/a8f233fb0c7be29b97cd249f64120bf35ce72805"
        },
        {
          "url": "https://git.kernel.org/stable/c/0cdea166c1a07c200caf9d0b722224fca43b23ae"
        },
        {
          "url": "https://git.kernel.org/stable/c/450c319dd04d0eeff4184889768f7ada826a2e35"
        },
        {
          "url": "https://git.kernel.org/stable/c/b6f1acf4e57ccf708cdc0cb70f5bb5b65162963b"
        },
        {
          "url": "https://git.kernel.org/stable/c/be409d2bbe9ca7da7b05cc7dde7499bc481f0766"
        },
        {
          "url": "https://git.kernel.org/stable/c/c33b4496e95d04722055446c0a31213639438536"
        },
        {
          "url": "https://git.kernel.org/stable/c/3d67fffb74267772d461c02c67f1eff893ad547d"
        }
      ],
      "title": "spi: sprd: fix error pointer deref after DMA setup failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-64168",
    "datePublished": "2026-07-19T15:40:52.741Z",
    "dateReserved": "2026-07-19T07:54:57.038Z",
    "dateUpdated": "2026-07-19T15:40:52.741Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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