CVE-2026-23091 (GCVE-0-2026-23091)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-05-11 21:59
VLAI
Title
intel_th: fix device leak on output open()
Summary
In the Linux kernel, the following vulnerability has been resolved: intel_th: fix device leak on output open() Make sure to drop the reference taken when looking up the th device during output device open() on errors and on close(). Note that a recent commit fixed the leak in a couple of open() error paths but not all of them, and the reference is still leaking on successful open().
Severity
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < af4b9467296b9a16ebc008147238070236982b6d (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < 64015cbf06e8bb75b81ae95b997e847b55280f7f (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < b71e64ef7ff9443835d1333e3e80ab1e49e5209f (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < bf7785434b5d05d940d936b78925080950bd54dd (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < 0fca16c5591534cc1fec8b6181277ee3a3d0f26c (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < f9b059bda4276f2bb72cb98ec7875a747f042ea2 (git)
Affected: 39f4034693b7c7bd1fe4cb58c93259d600f55561 , < 95fc36a234da24bbc5f476f8104a5a15f99ed3e3 (git)
Create a notification for this product.
Linux Linux Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 5.10.249 , ≤ 5.10.* (semver)
Unaffected: 5.15.199 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.68 , ≤ 6.12.* (semver)
Unaffected: 6.18.8 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/hwtracing/intel_th/core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "af4b9467296b9a16ebc008147238070236982b6d",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "64015cbf06e8bb75b81ae95b997e847b55280f7f",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "b71e64ef7ff9443835d1333e3e80ab1e49e5209f",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "bf7785434b5d05d940d936b78925080950bd54dd",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "0fca16c5591534cc1fec8b6181277ee3a3d0f26c",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "f9b059bda4276f2bb72cb98ec7875a747f042ea2",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            },
            {
              "lessThan": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3",
              "status": "affected",
              "version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/hwtracing/intel_th/core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.4"
            },
            {
              "lessThan": "4.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.249",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.162",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.122",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.68",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.249",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.199",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.162",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.122",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.68",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.8",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: fix device leak on output open()\n\nMake sure to drop the reference taken when looking up the th device\nduring output device open() on errors and on close().\n\nNote that a recent commit fixed the leak in a couple of open() error\npaths but not all of them, and the reference is still leaking on\nsuccessful open()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:59:49.573Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/af4b9467296b9a16ebc008147238070236982b6d"
        },
        {
          "url": "https://git.kernel.org/stable/c/64015cbf06e8bb75b81ae95b997e847b55280f7f"
        },
        {
          "url": "https://git.kernel.org/stable/c/b71e64ef7ff9443835d1333e3e80ab1e49e5209f"
        },
        {
          "url": "https://git.kernel.org/stable/c/bf7785434b5d05d940d936b78925080950bd54dd"
        },
        {
          "url": "https://git.kernel.org/stable/c/0fca16c5591534cc1fec8b6181277ee3a3d0f26c"
        },
        {
          "url": "https://git.kernel.org/stable/c/f9b059bda4276f2bb72cb98ec7875a747f042ea2"
        },
        {
          "url": "https://git.kernel.org/stable/c/95fc36a234da24bbc5f476f8104a5a15f99ed3e3"
        }
      ],
      "title": "intel_th: fix device leak on output open()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23091",
    "datePublished": "2026-02-04T16:08:14.295Z",
    "dateReserved": "2026-01-13T15:37:45.962Z",
    "dateUpdated": "2026-05-11T21:59:49.573Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-23091",
      "date": "2026-05-25",
      "epss": "0.00018",
      "percentile": "0.04777"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23091\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-04T17:16:19.980\",\"lastModified\":\"2026-03-17T21:09:26.633\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nintel_th: fix device leak on output open()\\n\\nMake sure to drop the reference taken when looking up the th device\\nduring output device open() on errors and on close().\\n\\nNote that a recent commit fixed the leak in a couple of open() error\\npaths but not all of them, and the reference is still leaking on\\nsuccessful open().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\nintel_th: corrige la fuga de dispositivo al abrir la salida\\n\\nAseg\u00farese de liberar la referencia tomada al buscar el dispositivo th durante la apertura del dispositivo de salida en caso de errores y al cerrar.\\n\\nTenga en cuenta que una confirmaci\u00f3n reciente corrigi\u00f3 la fuga en un par de rutas de error de open(), pero no en todas ellas, y la referencia sigue fug\u00e1ndose en una apertura exitosa.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.4\",\"versionEndExcluding\":\"5.10.249\",\"matchCriteriaId\":\"A0018EA7-895D-4A80-896F-9887A1161EE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.199\",\"matchCriteriaId\":\"A247FBA6-BEB9-484F-B892-DD5517949CCD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.162\",\"matchCriteriaId\":\"6579E0D4-0641-479D-A4C3-0EF618798C55\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.122\",\"matchCriteriaId\":\"8EAAE395-0162-4BAF-9AD5-E9AF3C869C4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.68\",\"matchCriteriaId\":\"52F38E19-0FDD-4992-9D6D-D4169D689598\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.8\",\"matchCriteriaId\":\"E65C6E79-7EBE-4C77-93F0-818CF5B38F4E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F71D92C0-C023-48BD-B3B6-70B638EEE298\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"13580667-0A98-40CC-B29F-D12790B91BDB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0fca16c5591534cc1fec8b6181277ee3a3d0f26c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/64015cbf06e8bb75b81ae95b997e847b55280f7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/95fc36a234da24bbc5f476f8104a5a15f99ed3e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/af4b9467296b9a16ebc008147238070236982b6d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b71e64ef7ff9443835d1333e3e80ab1e49e5209f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bf7785434b5d05d940d936b78925080950bd54dd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f9b059bda4276f2bb72cb98ec7875a747f042ea2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…
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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…