CVE-2026-68410 (GCVE-0-2026-68410)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:04 – Updated: 2026-08-19 16:35
VLAI
Title
wifi: libertas: fix memory leak in helper_firmware_cb()
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in helper_firmware_cb() helper_firmware_cb() neglects to free the single-stage firmware image after a successful async load, leading to a memory leak in the USB firmware-download path. Fix this memory leak by calling release_firmware() immediately after lbs_fw_loaded() returns. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in the current wireless tree. An x86_64 allyesconfig build showed no new warnings. As we do not have compatible Libertas USB hardware for exercising this firmware-download path, no runtime testing was able to be performed.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < 6c1f54a04813676c5a2150d99331c8d21f199374 (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < 7f28722b3e4e0c8d49c859fea4a9b1fa13b5ae06 (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < ce829286f4935f1eb6b5dcb64da02910ce149c76 (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < d497b7566e74920acfe283dd6b2cbf1682890796 (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < 6cda91bbb8dc3d22ef0323008a12dcf73a5129da (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < 644640cde2fb216e6567de5eee780a38dbc95928 (git)
Affected: 1dfba3060fe7ee03ccec25a91d35085142dfc295 , < 63c2391deefb31e1b801b7f32bd502ca4808639b (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.13
Unaffected: 0 , < 3.13 (semver)
Unaffected: 5.10.265 , ≤ 5.10.* (semver)
Unaffected: 5.15.216 , ≤ 5.15.* (semver)
Unaffected: 6.1.183 , ≤ 6.1.* (semver)
Unaffected: 6.6.148 , ≤ 6.6.* (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.6 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "dateUpdated": "2026-08-19T16:35:04.634Z",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-14T07:09:51+00:00",
      "cve": "CVE-2026-68410",
      "id": "CVE-2026-68410",
      "initial_release_date": "2026-08-10T00:00:00+00:00",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "275",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: libertas: fix memory leak in helper_firmware_cb()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68410.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-11T23:46:17Z",
      "cve": "CVE-2026-68410",
      "id": "CVE-2026-68410",
      "initial_release_date": "2026-08-11T23:46:17Z",
      "product_status:known_affected": "193",
      "product_status:known_not_affected": "103",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68410",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68410.json",
      "version": "2"
    }
  }
}



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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.