{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-80782", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.792Z", "datePublished": "2026-09-04T15:12:53.933Z", "dateUpdated": "2026-10-19T08:43:37.541Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:43:37.541Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: do not keep a stale msc->input if no input is claimed\n\nmagicmouse_input_mapping() caches the first hid_input's input_dev in\nmsc->input while the report descriptor is parsed, and the rest of the\ndriver treats a non-NULL msc->input as proof that an input device was\nregistered.\n\nThat does not hold on the hid-input error path. If hidinput_connect()\nfails -- for instance because input_register_device() returns an error --\nit unwinds through hidinput_disconnect(), which frees every input_dev it\ncreated, including the one cached in msc->input.\n\nThe failure does not abort the probe. hid_connect() only skips the claim:\n\n\tif ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,\n\t\t\t\tconnect_mask & HID_CONNECT_HIDINPUT_FORCE))\n\t\thdev->claimed |= HID_CLAIMED_INPUT;\n\nand the \"device has no listeners\" bailout below it does not fire for this\ndriver, which sets ->raw_event; on the USB Magic Mouse 2 / Magic Trackpad\n2 paths hidraw and hiddev are claimed as well. hid_hw_start() therefore\nreturns 0 and magicmouse_probe() continues with msc->input pointing at\nfreed memory. Being non-NULL, it passes the \"input not registered\" check\nin probe and the NULL checks in ->raw_event and ->event, so the next\ninput report dereferences freed memory.\n\nClear msc->input when the HID core did not claim an input device, so the\nexisting NULL checks cover this case as well." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hid/hid-magicmouse.c" ], "versions": [ { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "c3597923932bb90d4fc2186aef552f6677175e4a", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "e0c224c93d10ee38854fdf24c815108aedd3dcb3", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "403cc9bd6ccb9fbe68d501c3236e5a6dd5504e14", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "3d7a7bac4c75f25b2513505a0ac5ba909588ed2b", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "9bdf8c7bfd79f1090e61d28f969b32880fd77bb3", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "15b60ade825c8ce9ec560048a4ae3747e4572be3", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "0bf253e9ac994cb5329bc87b00bb4eeca9136791", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "2ef16934e069d5f771e989d6ee5c3ece5042f3cd", "status": "affected", "versionType": "git" }, { "version": "f1a9a149abc86903e81dd1b2e720f3f89874384b", "lessThan": "0af3b89705688af01aa06025b84fa7a1e06ba6cc", "status": "affected", "versionType": "git" }, { "version": "0e55072e7c63a6569cab1447e9025d160abd9dd9", "status": "affected", "versionType": "git" }, { "version": "3.8.7", "lessThan": "3.9", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hid/hid-magicmouse.c" ], "versions": [ { "version": "3.9", "status": "affected" }, { "version": "0", "lessThan": "3.9", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.269", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.218", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.185", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.154", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.106", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.1", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3", "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": "3.9", "versionEndExcluding": "5.10.269" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "5.15.218" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.1.185" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.6.154" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.12.106" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.18.47" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.1.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.2.1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8.7" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c3597923932bb90d4fc2186aef552f6677175e4a" }, { "url": "https://git.kernel.org/stable/c/e0c224c93d10ee38854fdf24c815108aedd3dcb3" }, { "url": "https://git.kernel.org/stable/c/403cc9bd6ccb9fbe68d501c3236e5a6dd5504e14" }, { "url": "https://git.kernel.org/stable/c/3d7a7bac4c75f25b2513505a0ac5ba909588ed2b" }, { "url": "https://git.kernel.org/stable/c/9bdf8c7bfd79f1090e61d28f969b32880fd77bb3" }, { "url": "https://git.kernel.org/stable/c/15b60ade825c8ce9ec560048a4ae3747e4572be3" }, { "url": "https://git.kernel.org/stable/c/0bf253e9ac994cb5329bc87b00bb4eeca9136791" }, { "url": "https://git.kernel.org/stable/c/2ef16934e069d5f771e989d6ee5c3ece5042f3cd" }, { "url": "https://git.kernel.org/stable/c/0af3b89705688af01aa06025b84fa7a1e06ba6cc" } ], "title": "HID: magicmouse: do not keep a stale msc->input if no input is claimed", "x_generator": { "engine": "bippy-1.2.0" } } } }