GHSA-8Q97-2M9M-F966
Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32In 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.
{
"affected": [],
"aliases": [
"CVE-2026-90360"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-17T17:17:34Z",
"severity": null
},
"details": "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.",
"id": "GHSA-8q97-2m9m-f966",
"modified": "2026-09-17T18:32:02Z",
"published": "2026-09-17T18:32:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90360"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/03eab318cedd6ae34ecd34533cd986edf5237164"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0b950aa7ec95e120b2bde745ca9a7ed3ce49d528"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0d23d658d79925076026fff62a49b8c94e0e8922"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/29dc2e24f6adb36dcb884acf455644c397a67471"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2cebc00340a585adeffe321bc41f1937eb79a4dc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/350a0cba90e1bd40b1fe5b396923d2f3a61d1056"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6d0a2c5e210f2fba099129e6183ef81316a6ae48"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8a2ae3ab348cce44120667277c2198f10cc348b1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9cf65270c1c1717c84dcfacd58a782c1186b0cbf"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/dc8570a5b830190bf0b57017c35aef97cd6ad7d9"
}
],
"schema_version": "1.4.0",
"severity": []
}
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