CVE-2026-90360

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.

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/03eab318cedd6ae34ecd34533cd986edf5237164
https://git.kernel.org/stable/c/0b950aa7ec95e120b2bde745ca9a7ed3ce49d528
https://git.kernel.org/stable/c/0d23d658d79925076026fff62a49b8c94e0e8922
https://git.kernel.org/stable/c/29dc2e24f6adb36dcb884acf455644c397a67471
https://git.kernel.org/stable/c/2cebc00340a585adeffe321bc41f1937eb79a4dc
https://git.kernel.org/stable/c/350a0cba90e1bd40b1fe5b396923d2f3a61d1056
https://git.kernel.org/stable/c/6d0a2c5e210f2fba099129e6183ef81316a6ae48
https://git.kernel.org/stable/c/8a2ae3ab348cce44120667277c2198f10cc348b1
https://git.kernel.org/stable/c/9cf65270c1c1717c84dcfacd58a782c1186b0cbf
https://git.kernel.org/stable/c/dc8570a5b830190bf0b57017c35aef97cd6ad7d9

Configurations

No configuration.

History

17 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 17:17

Updated : 2026-09-17 17:17

NVD link : CVE-2026-90360

Mitre link : CVE-2026-90360

CVE.ORG link : CVE-2026-90360

JSON object : View

Products Affected

No product.

CWE

No CWE.

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"d6acb54716ffab29f15c66082bd751410b284764", "versionType": "git"}, {"status": "affected", "version": "3fbfa415a5dd8fc78076c1ead160a03a058cd9f6", "versionType": "git"}, {"status": "affected", "version": "4.9.195", "lessThan": "4.9.207", "versionType": "semver"}, {"status": "affected", "version": "4.14.147", "lessThan": "4.14.160", "versionType": "semver"}, {"status": "affected", "version": "4.19.77", "lessThan": "4.20", "versionType": "semver"}, {"status": "affected", "version": "5.2.19", "lessThan": "5.3", "versionType": "semver"}, {"status": "affected", "version": "5.3.4", "lessThan": "5.4", "versionType": "semver"}], "programFiles": ["drivers/regulator/core.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.4"}, {"status": "unaffected", "version": "0", "lessThan": "5.4", "versionType": "semver"}, {"status": "unaffected", "version": 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"programFiles": ["drivers/regulator/core.c"], "defaultStatus": "affected"}]}], "published": "2026-09-17T17:17:34.913", "references": [{"url": "https://git.kernel.org/stable/c/03eab318cedd6ae34ecd34533cd986edf5237164", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0b950aa7ec95e120b2bde745ca9a7ed3ce49d528", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0d23d658d79925076026fff62a49b8c94e0e8922", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/29dc2e24f6adb36dcb884acf455644c397a67471", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2cebc00340a585adeffe321bc41f1937eb79a4dc", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/350a0cba90e1bd40b1fe5b396923d2f3a61d1056", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6d0a2c5e210f2fba099129e6183ef81316a6ae48", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8a2ae3ab348cce44120667277c2198f10cc348b1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9cf65270c1c1717c84dcfacd58a782c1186b0cbf", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc8570a5b830190bf0b57017c35aef97cd6ad7d9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "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."}], "lastModified": "2026-09-17T17:17:34.913", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}