{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-68361", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.385Z", "datePublished": "2026-08-10T12:03:38.332Z", "dateUpdated": "2026-08-19T16:34:13.231Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:34:13.231Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (corsair-psu) Stop device IO before calling hid_hw_stop\n\nhid_hw_stop() does not stop the device IO.\n\nThis results in a race condition between hid_input_report() and the point\nimmediately following the execution of hid_device_io_start() within\ncorsairpsu_probe(). If the probe operation fails after \"io start\" has\nbeen initiated, this race condition will result in a uaf vulnerability\n[1].\n\nCPU0\t\t\t\tCPU1\n====\t\t\t\t====\ncorsairpsu_probe()\n hid_device_io_start()\n ... unlock driver_input_lock\n hid_hw_stop()\n kfree(hidraw)\t\t\t__hid_input_report()\n\t\t\t\t ... acquire driver_input_lock\n\t\t\t\t hid_report_raw_event()\n\t\t\t\t hidraw_report_event()\n\t\t\t\t ... access hidraw's list_lock // trigger uaf\n\nConsequently, when corsairpsu_probe() fails and hid_hw_stop() needs to\nbe executed, the io_started flag is first cleared while holding the\ndriver_input_lock to prevent potential race conditions involving input\nreports.\n\n[1]\nBUG: KASAN: slab-use-after-free in rt_spin_lock+0x83/0x400 kernel/locking/spinlock_rt.c:56\nCall Trace:\n hidraw_report_event+0x5d/0x3a0 drivers/hid/hidraw.c:577\n hid_report_raw_event+0x311/0x1730 drivers/hid/hid-core.c:2076\n __hid_input_report drivers/hid/hid-core.c:2152 [inline]\n hid_input_report+0x44e/0x580 drivers/hid/hid-core.c:2174\n hid_irq_in+0x47e/0x6d0 drivers/hid/usbhid/hid-core.c:286\n __usb_hcd_giveback_urb+0x3b3/0x5e0 drivers/usb/core/hcd.c:1657\n dummy_timer+0x8a9/0x47d0 drivers/usb/gadget/udc/dummy_hcd.c:2005\n\nAllocated by task 10:\n hidraw_connect+0x57/0x430 drivers/hid/hidraw.c:606\n hid_connect+0x5bf/0x19d0 drivers/hid/hid-core.c:2277\n hid_hw_start+0xa8/0x120 drivers/hid/hid-core.c:2387\n corsairpsu_probe+0xd9/0x3c0 drivers/hwmon/corsair-psu.c:782\n\nFreed by task 10:\n hidraw_disconnect+0x4f/0x60 drivers/hid/hidraw.c:662\n hid_disconnect drivers/hid/hid-core.c:2362 [inline]\n hid_hw_stop+0x101/0x1e0 drivers/hid/hid-core.c:2407\n corsairpsu_probe+0x327/0x3c0 drivers/hwmon/corsair-psu.c:826\n\nFix the problem by calling hid_device_io_stop() before calling\nhid_hw_stop().\n\n[groeck: Updated subject and description;\n call hid_device_io_stop() only if IO has been started]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hwmon/corsair-psu.c" ], "versions": [ { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "45dcd8a63069197f64dbda30509b9e224b74c0d8", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "c80ed058f31bb0251a748034d69feb376741dcb2", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "e6e1e0f3050d1a1a3ea1c9d6253363e87fdad67a", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "c0aae8d24f5e52d6910f97d59bc624e131f3ae1a", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "ec477af3a7e8d3964e62fd24ef01cdebb96b8e4e", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "bb25bd980f2d9bd34558e1b1d16636e4945baf14", "status": "affected", "versionType": "git" }, { "version": "d115b51e0e567199c821fc39e13b6af7e78f247d", "lessThan": "9ab8656548cd737b98d0b19c4253aff8d68e97f4", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hwmon/corsair-psu.c" ], "versions": [ { "version": "5.11", "status": "affected" }, { "version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.15.216" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1.183" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.6.148" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.12.101" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.18.42" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.1.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/45dcd8a63069197f64dbda30509b9e224b74c0d8" }, { "url": "https://git.kernel.org/stable/c/c80ed058f31bb0251a748034d69feb376741dcb2" }, { "url": "https://git.kernel.org/stable/c/e6e1e0f3050d1a1a3ea1c9d6253363e87fdad67a" }, { "url": "https://git.kernel.org/stable/c/c0aae8d24f5e52d6910f97d59bc624e131f3ae1a" }, { "url": "https://git.kernel.org/stable/c/ec477af3a7e8d3964e62fd24ef01cdebb96b8e4e" }, { "url": "https://git.kernel.org/stable/c/bb25bd980f2d9bd34558e1b1d16636e4945baf14" }, { "url": "https://git.kernel.org/stable/c/9ab8656548cd737b98d0b19c4253aff8d68e97f4" } ], "title": "hwmon: (corsair-psu) Stop device IO before calling hid_hw_stop", "x_generator": { "engine": "bippy-1.2.0" } } } }