CVE-2026-92484 (GCVE-0-2026-92484)
Vulnerability from cvelistv5
Published
2026-09-17 16:10
Modified
2026-10-19 09:03
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix use-after-free in find_pos_and_ways() error path The error path releases its reference to a switch decoder before logging an error that includes the decoder name. If the released reference is the last one, the decoder can be freed before the error message accesses its name. Drop the reference after the error is reported.
Impacted products
Vendor Product Version
Linux Linux Version: 9d90ab45d3d393532b7fa62d6a6b7ebbde9cf5fc
Version: b3dc5c735a754142831f705068fcfa77551724ff
Version: d90acdf49e18029cfe4194475c45ef143657737a
Version: d90acdf49e18029cfe4194475c45ef143657737a
Version: d90acdf49e18029cfe4194475c45ef143657737a
Version: 8ad454d3050a40fd616d481e48d1aebb27d9951e
Version: 6.6.96   ≤
Version: 6.12.36   ≤
Version: 6.15.5   ≤
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/cxl/core/region.c"
          ],
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          "vendor": "Linux",
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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",
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            },
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              "status": "unaffected",
              "version": "0",
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              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Fix use-after-free in find_pos_and_ways() error path\n\nThe error path releases its reference to a switch decoder before\nlogging an error that includes the decoder name. If the released\nreference is the last one, the decoder can be freed before the error\nmessage accesses its name.\n\nDrop the reference after the error is reported."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:03:50.812Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/68edf359b0b45cad2654510c1ca257079b241aa5"
        },
        {
          "url": "https://git.kernel.org/stable/c/b38ca9ce8c7d9b8151bb9e4770404c5e39600a48"
        },
        {
          "url": "https://git.kernel.org/stable/c/f54b96e8aadbfc7f2a1b26df349ef9b062c47d2e"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f7683ce37a53eeabd721941517341d2eef2cf3c"
        },
        {
          "url": "https://git.kernel.org/stable/c/15da704b732332cc1e8f121f624e5e6c05124c5d"
        }
      ],
      "title": "cxl/region: Fix use-after-free in find_pos_and_ways() error path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-92484",
    "datePublished": "2026-09-17T16:10:00.333Z",
    "dateReserved": "2026-09-16T12:21:13.870Z",
    "dateUpdated": "2026-10-19T09:03:50.812Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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