Vulnerability-Lookup

GHSA-QJW7-WGFM-9FRQ

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-11 21:31

Details

In the Linux kernel, the following vulnerability has been resolved:

media: v4l2-async: Fix error handling on steps after finding a match

Once an async connection is found to be matching with an fwnode, a sub-device may be registered (in case it wasn't already), its bound operation is called, ancillary links are created, the async connection is added to the sub-device's list of connections and removed from the global waiting connection list. Further on, the sub-device's possible own notifier is searched for possible additional matches.

Fix these specific issues:

If v4l2_async_match_notify() failed before the sub-notifier handling, the async connection was unbound and its entry removed from the sub-device's async connection list. The latter part was also done in v4l2_async_match_notify().
The async connection's sd field was only set after creating ancillary links in v4l2_async_match_notify(). It was however dereferenced in v4l2_async_unbind_subdev_one(), which was called on error path of v4l2_async_match_notify() failure.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43189"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:37Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn\u0027t already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device\u0027s list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device\u0027s possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device\u0027s async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection\u0027s sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure.",
  "id": "GHSA-qjw7-wgfm-9frq",
  "modified": "2026-05-11T21:31:30Z",
  "published": "2026-05-06T12:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43189"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-43189 (GCVE-0-2026-43189)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:19

Title

media: v4l2-async: Fix error handling on steps after finding a match

Summary

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-async: Fix error handling on steps after finding a match Once an async connection is found to be matching with an fwnode, a sub-device may be registered (in case it wasn't already), its bound operation is called, ancillary links are created, the async connection is added to the sub-device's list of connections and removed from the global waiting connection list. Further on, the sub-device's possible own notifier is searched for possible additional matches. Fix these specific issues: - If v4l2_async_match_notify() failed before the sub-notifier handling, the async connection was unbound and its entry removed from the sub-device's async connection list. The latter part was also done in v4l2_async_match_notify(). - The async connection's sd field was only set after creating ancillary links in v4l2_async_match_notify(). It was however dereferenced in v4l2_async_unbind_subdev_one(), which was called on error path of v4l2_async_match_notify() failure.

Severity ?

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/30aaed311f973f13b…
https://git.kernel.org/stable/c/461733d83e67ba7e3…
https://git.kernel.org/stable/c/b02bcb378efa8af07…
https://git.kernel.org/stable/c/2de0a3c8148fc3dbe…
https://git.kernel.org/stable/c/7345d6d356336c448…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 28a1295795d85a25f2e7dd391c43969e95fcb341 , < 30aaed311f973f13ba13a0cd2dc0202f595fff48 (git) Affected: 28a1295795d85a25f2e7dd391c43969e95fcb341 , < 461733d83e67ba7e3a5b750c0d203f738e01244f (git) Affected: 28a1295795d85a25f2e7dd391c43969e95fcb341 , < b02bcb378efa8af07827f49b3afcc5e825318c55 (git) Affected: 28a1295795d85a25f2e7dd391c43969e95fcb341 , < 2de0a3c8148fc3dbea21981e6569f550b3626119 (git) Affected: 28a1295795d85a25f2e7dd391c43969e95fcb341 , < 7345d6d356336c448d6b9230ed8704f39679fd12 (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/v4l2-core/v4l2-async.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "30aaed311f973f13ba13a0cd2dc0202f595fff48",
              "status": "affected",
              "version": "28a1295795d85a25f2e7dd391c43969e95fcb341",
              "versionType": "git"
            },
            {
              "lessThan": "461733d83e67ba7e3a5b750c0d203f738e01244f",
              "status": "affected",
              "version": "28a1295795d85a25f2e7dd391c43969e95fcb341",
              "versionType": "git"
            },
            {
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              "version": "28a1295795d85a25f2e7dd391c43969e95fcb341",
              "versionType": "git"
            },
            {
              "lessThan": "2de0a3c8148fc3dbea21981e6569f550b3626119",
              "status": "affected",
              "version": "28a1295795d85a25f2e7dd391c43969e95fcb341",
              "versionType": "git"
            },
            {
              "lessThan": "7345d6d356336c448d6b9230ed8704f39679fd12",
              "status": "affected",
              "version": "28a1295795d85a25f2e7dd391c43969e95fcb341",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/v4l2-core/v4l2-async.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn\u0027t already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device\u0027s list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device\u0027s possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device\u0027s async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection\u0027s sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:19:34.106Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
        {
          "url": "https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48"
        },
        {
          "url": "https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f"
        },
        {
          "url": "https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55"
        },
        {
          "url": "https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119"
        },
        {
          "url": "https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12"
        }
      ],
      "title": "media: v4l2-async: Fix error handling on steps after finding a match",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43189",
    "datePublished": "2026-05-06T11:27:59.108Z",
    "dateReserved": "2026-05-01T14:12:55.992Z",
    "dateUpdated": "2026-05-11T22:19:34.106Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-QJW7-WGFM-9FRQ

CVE-2026-43189 (GCVE-0-2026-43189)

Tags

Sightings

Nomenclature