{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-93189", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-93189", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-09-17T16:12:14.234Z", "updatedAt": "2026-10-19T09:07:01.914Z", "importedAt": "2026-10-24T01:58:35.090Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "HID: core: quiesce input in hid_hw_stop() to prevent use-after-free", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: quiesce input in hid_hw_stop() to prevent use-after-free\n\nA driver's probe calls hid_device_io_start() to enable input delivery,\nthen fails at a later initialization step and unwinds via hid_hw_stop().\nThe unwind frees struct hidraw via hidraw_disconnect() while in-flight\nHID reports may still be running on another CPU, dereferencing the\nfreed object through hidraw_report_event(). syzbot reports the\nresulting use-after-free for the corsair-psu HID driver.\n\nEdward Adam Davis posted a per-driver fix for corsair-psu that adds\nan explicit hid_device_io_stop() before hid_hw_stop() in the probe\nerror path (\"hwmon: prevent packets from going to driver for probe\",\n2026-04-28). Auditing the tree shows 15 drivers call\nhid_device_io_start(); 7 also call hid_device_io_stop() and 8 do not:\n\n drivers calling hid_device_io_start() without a matching\n hid_device_io_stop() before hid_hw_stop():\n drivers/hwmon/corsair-psu.c (fix posted by Edward)\n drivers/hwmon/corsair-cpro.c\n drivers/hwmon/nzxt-kraken3.c\n drivers/hwmon/nzxt-smart2.c\n drivers/hwmon/gigabyte_waterforce.c\n drivers/hid/hid-logitech-dj.c\n drivers/hid/hid-nintendo.c\n drivers/hid/hid-mcp2221.c\n\nRoughly half of all callers of the API are exposed. Centralize the\nquiesce in hid_hw_stop() so callers do not have to remember the\nmatching stop: if a driver has left hdev->io_started true on entry,\ncall hid_device_io_stop() before hid_disconnect().\n\nFor the 7 drivers that already call hid_device_io_stop() correctly,\nhdev->io_started is false on entry, the guard short-circuits, and\nbehavior is unchanged.\n\nNo Fixes: tag because the affected drivers gained their\nhid_device_io_start() calls independently over years; the bug is a\nclass-wide API misuse rather than a regression from one commit.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "0744cb9520aade37e78f69134f3111086158f1d2" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "c876c437d188911685d8bed645416f2e86bd0354" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "6787f1828f5616f17250e108c0031fb96fd2cfe6" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "92cca302a4eaf65d1b38b3fb600b4ee5eb856a51" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "02246d8b462fd9bd90bc7ae7d6cab1acf69bcb87" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "544ebb25bd58f67e821573412ab7a982b9e02211" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "0fecd89f979a8653b9a5b0816570329b7a94a081" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "a4bc41504690b7d7064931909874f5b98cd148b6" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "5.10.270" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "5.15.221" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "6.1.188" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "6.6.157" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "6.12.110" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "6.18.52" }, { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "7.2.6" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.10.270", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.157", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.110", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.52", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "7.2.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "7.2.*" }, { "version": "7.3", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }