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CVE-2026-68133 (GCVE-0-2026-68133)

Vulnerability from cvelistv5 – Published: 2026-08-10 11:58 – Updated: 2026-08-17 04:59
VLAI
Title
ice: fix PTP Call Trace during PTP release
Summary
In the Linux kernel, the following vulnerability has been resolved: ice: fix PTP Call Trace during PTP release If a PF reset occurs when the PTP state is ICE_PTP_UNINIT, then ice_ptp_rebuild() will update the state to ICE_PTP_ERROR. This will result in the following PTP release call trace during driver unload: kernel BUG at lib/list_debug.c:52! ice_ptp_release+0x332/0x3c0 [ice] ice_deinit_features.part.0+0x10e/0x120 [ice] ice_remove+0x100/0x220 [ice] This was observed when passing PF1 through to a VM. ice_ptp_init() fails because ctrl_pf is NULL and sets the state to ICE_PTP_UNINIT. Fix by detecting the ICE_PTP_UNINIT state in ice_ptp_rebuild() and returning without error, preventing the invalid state transition to ICE_PTP_ERROR. The only valid path to ICE_PTP_ERROR is from ICE_PTP_RESETTING after a failed rebuild.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 , < 7d517b255f669cedd09830214d55f2f413b34481 (git)
Affected: 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 , < e4406cbdd915f702d2ed9ee8b30683a16b06c6ac (git)
Affected: 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 , < 14fceda28069fdbe1bb49cdb6e1774892b583348 (git)
Affected: 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 , < f6a7e00b81e35ef1325234925f2fe1e53b466f92 (git)
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Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (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)
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/ice/ice_ptp.c"
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix PTP Call Trace during PTP release\n\nIf a PF reset occurs when the PTP state is ICE_PTP_UNINIT, then\nice_ptp_rebuild() will update the state to ICE_PTP_ERROR. This will\nresult in the following PTP release call trace during driver unload:\n\n    kernel BUG at lib/list_debug.c:52!\n    ice_ptp_release+0x332/0x3c0 [ice]\n    ice_deinit_features.part.0+0x10e/0x120 [ice]\n    ice_remove+0x100/0x220 [ice]\n\nThis was observed when passing PF1 through to a VM. ice_ptp_init()\nfails because ctrl_pf is NULL and sets the state to ICE_PTP_UNINIT.\n\nFix by detecting the ICE_PTP_UNINIT state in ice_ptp_rebuild() and\nreturning without error, preventing the invalid state transition to\nICE_PTP_ERROR. The only valid path to ICE_PTP_ERROR is from\nICE_PTP_RESETTING after a failed rebuild."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:59:25.287Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/7d517b255f669cedd09830214d55f2f413b34481"
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          "url": "https://git.kernel.org/stable/c/e4406cbdd915f702d2ed9ee8b30683a16b06c6ac"
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          "url": "https://git.kernel.org/stable/c/14fceda28069fdbe1bb49cdb6e1774892b583348"
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          "url": "https://git.kernel.org/stable/c/f6a7e00b81e35ef1325234925f2fe1e53b466f92"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68133",
    "datePublished": "2026-08-10T11:58:56.223Z",
    "dateReserved": "2026-07-30T09:28:09.370Z",
    "dateUpdated": "2026-08-17T04:59:25.287Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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    "redhat_vex": {
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      "cve": "CVE-2026-68133",
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      "product_status:known_affected": "184",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: ice: fix PTP Call Trace during PTP release",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68133.json",
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      "cve": "CVE-2026-68133",
      "id": "CVE-2026-68133",
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      "title": "SUSE CVE CVE-2026-68133",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68133.json",
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    }
  }
}



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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.

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  • 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.
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  • 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.


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