CVE-2026-80650 (GCVE-0-2026-80650)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-28 06:48
VLAI
Title
media: atomisp: gc2235: fix UAF and memory leak
Summary
In the Linux kernel, the following vulnerability has been resolved: media: atomisp: gc2235: fix UAF and memory leak gc2235_probe() handles its error paths incorrectly. If media_entity_pads_init() fails, gc2235_remove() is called, which tears down the subdev and frees dev, but then still falls through to atomisp_register_i2c_module(). This results in use-after-free. If atomisp_register_i2c_module() fails, the media entity and control handler are left initialized and dev is leaked. gc2235_remove() unconditionally calls media_entity_cleanup() and v4l2_ctrl_handler_free(), but these are not initialized at every error path in gc2235_probe(). Replace gc2235_remove() calls in the probe error paths with explicit unwind labels that free only the resources initialized at each point of failure, in reverse order of initialization.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a49d25364dfb9f8a64037488a39ab1f56c5fa419 , < fdbb8e55578b4ab647fa58827a9dd8730d7f4add (git)
Affected: a49d25364dfb9f8a64037488a39ab1f56c5fa419 , < d57e67ea48e4d095052f2b14d8dd7593621f862f (git)
Affected: a49d25364dfb9f8a64037488a39ab1f56c5fa419 , < f614bf0a64aa1cb7444d152a96798a6bf1d49e1f (git)
Affected: a49d25364dfb9f8a64037488a39ab1f56c5fa419 , < 628f763aee0047ff44974388d6f70f75a763026b (git)
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Linux Linux Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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            "drivers/staging/media/atomisp/i2c/atomisp-gc2235.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: atomisp: gc2235: fix UAF and memory leak\n\ngc2235_probe() handles its error paths incorrectly.\n\nIf media_entity_pads_init() fails, gc2235_remove() is called, which\ntears down the subdev and frees dev, but then still falls through to\natomisp_register_i2c_module(). This results in use-after-free.\n\nIf atomisp_register_i2c_module() fails, the media entity and control\nhandler are left initialized and dev is leaked.\n\ngc2235_remove() unconditionally calls media_entity_cleanup() and\nv4l2_ctrl_handler_free(), but these are not initialized at every\nerror path in gc2235_probe().\n\nReplace gc2235_remove() calls in the probe error paths with explicit\nunwind labels that free only the resources initialized at each point\nof failure, in reverse order of initialization."
        }
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        "shortName": "Linux"
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    "datePublished": "2026-08-28T06:48:58.858Z",
    "dateReserved": "2026-08-26T14:34:25.779Z",
    "dateUpdated": "2026-08-28T06:48:58.858Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-31T15:07:38+00:00",
      "cve": "CVE-2026-80650",
      "id": "CVE-2026-80650",
      "initial_release_date": "2026-08-28T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: atomisp: gc2235: fix UAF and memory leak",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80650.json",
      "version": "3"
    }
  }
}



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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

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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.