CVE-2026-90360 (GCVE-0-2026-90360)
Vulnerability from cvelistv5
Published
2026-09-17 16:09
Modified
2026-10-19 09:02
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: regulator: core: use system_freezable_wq for init complete work schedule_delayed_work() uses system_wq, which is non-freezable, allowing regulator_init_complete_work to run concurrently with system suspend. This work fires ~30s after boot to disable unused regulators via I2C. When it races with PM suspend, the I2C adapter may already be suspended, triggering a -ESHUTDOWN warning in __i2c_transfer(): WARNING: ... at __i2c_transfer+0x36c/0x3c8 Call trace: __i2c_transfer i2c_transfer regmap_i2c_write _regmap_update_bits regulator_disable_regmap _regulator_do_disable regulator_late_cleanup regulator_init_complete_work_function process_one_work Switch to system_freezable_wq so the work is frozen before any device is suspended, eliminating the race.
References
Impacted products
Vendor Product Version
Linux Linux Version: 8b8c8d69b1a31004517d4c71a490f47bdf3405a2
Version: d7ce17fba6c8e316ca9a554a87edddce6f862435
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: 55576cf1853798e86f620766e23b604c9224c19c
Version: c4f65c2fb0f5c488d4ae606fba94bb98dcf383fd
Version: d6acb54716ffab29f15c66082bd751410b284764
Version: 3fbfa415a5dd8fc78076c1ead160a03a058cd9f6
Version: 4.9.195   ≤
Version: 4.14.147   ≤
Version: 4.19.77   ≤
Version: 5.2.19   ≤
Version: 5.3.4   ≤
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{
  "containers": {
    "cna": {
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              "version": "7.2.6",
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              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: use system_freezable_wq for init complete work\n\nschedule_delayed_work() uses system_wq, which is non-freezable, allowing\nregulator_init_complete_work to run concurrently with system suspend. This\nwork fires ~30s after boot to disable unused regulators via I2C. When it\nraces with PM suspend, the I2C adapter may already be suspended, triggering\na -ESHUTDOWN warning in __i2c_transfer():\n\n  WARNING: ... at __i2c_transfer+0x36c/0x3c8\n  Call trace:\n   __i2c_transfer\n   i2c_transfer\n   regmap_i2c_write\n   _regmap_update_bits\n   regulator_disable_regmap\n   _regulator_do_disable\n   regulator_late_cleanup\n   regulator_init_complete_work_function\n   process_one_work\n\nSwitch to system_freezable_wq so the work is frozen before any device\nis suspended, eliminating the race."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:02:16.545Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8a2ae3ab348cce44120667277c2198f10cc348b1"
        },
        {
          "url": "https://git.kernel.org/stable/c/350a0cba90e1bd40b1fe5b396923d2f3a61d1056"
        },
        {
          "url": "https://git.kernel.org/stable/c/2cebc00340a585adeffe321bc41f1937eb79a4dc"
        },
        {
          "url": "https://git.kernel.org/stable/c/9cf65270c1c1717c84dcfacd58a782c1186b0cbf"
        },
        {
          "url": "https://git.kernel.org/stable/c/dc8570a5b830190bf0b57017c35aef97cd6ad7d9"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d0a2c5e210f2fba099129e6183ef81316a6ae48"
        },
        {
          "url": "https://git.kernel.org/stable/c/0d23d658d79925076026fff62a49b8c94e0e8922"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b950aa7ec95e120b2bde745ca9a7ed3ce49d528"
        },
        {
          "url": "https://git.kernel.org/stable/c/29dc2e24f6adb36dcb884acf455644c397a67471"
        },
        {
          "url": "https://git.kernel.org/stable/c/03eab318cedd6ae34ecd34533cd986edf5237164"
        }
      ],
      "title": "regulator: core: use system_freezable_wq for init complete work",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90360",
    "datePublished": "2026-09-17T16:09:04.861Z",
    "dateReserved": "2026-09-11T19:38:34.806Z",
    "dateUpdated": "2026-10-19T09:02:16.545Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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