{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71073", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.647Z", "datePublished": "2026-01-13T15:31:26.771Z", "dateUpdated": "2026-01-13T15:31:26.771Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-13T15:31:26.771Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: lkkbd - disable pending work before freeing device\n\nlkkbd_interrupt() schedules lk->tq via schedule_work(), and the work\nhandler lkkbd_reinit() dereferences the lkkbd structure and its\nserio/input_dev fields.\n\nlkkbd_disconnect() and error paths in lkkbd_connect() free the lkkbd\nstructure without preventing the reinit work from being queued again\nuntil serio_close() returns. This can allow the work handler to run\nafter the structure has been freed, leading to a potential use-after-free.\n\nUse disable_work_sync() instead of cancel_work_sync() to ensure the\nreinit work cannot be re-queued, and call it both in lkkbd_disconnect()\nand in lkkbd_connect() error paths after serio_open()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/input/keyboard/lkkbd.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "3a7cd1397c209076c371d53bf39a55c138f62342", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cffc4e29b1e2d44ab094cf142d7c461ff09b9104", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e58c88f0cb2d8ed89de78f6f17409d29cfab6c5c", "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/input/keyboard/lkkbd.c"], "versions": [{"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc2", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.19-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3a7cd1397c209076c371d53bf39a55c138f62342"}, {"url": "https://git.kernel.org/stable/c/cffc4e29b1e2d44ab094cf142d7c461ff09b9104"}, {"url": "https://git.kernel.org/stable/c/e58c88f0cb2d8ed89de78f6f17409d29cfab6c5c"}], "title": "Input: lkkbd - disable pending work before freeing device", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: lkkbd - disable pending work before freeing device\n\nlkkbd_interrupt() schedules lk->tq via schedule_work(), and the work\nhandler lkkbd_reinit() dereferences the lkkbd structure and its\nserio/input_dev fields.\n\nlkkbd_disconnect() and error paths in lkkbd_connect() free the lkkbd\nstructure without preventing the reinit work from being queued again\nuntil serio_close() returns. This can allow the work handler to run\nafter the structure has been freed, leading to a potential use-after-free.\n\nUse disable_work_sync() instead of cancel_work_sync() to ensure the\nreinit work cannot be re-queued, and call it both in lkkbd_disconnect()\nand in lkkbd_connect() error paths after serio_open()."}], "id": "CVE-2025-71073", "lastModified": "2026-01-13T16:16:06.743", "metrics": {}, "published": "2026-01-13T16:16:06.743", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a7cd1397c209076c371d53bf39a55c138f62342"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cffc4e29b1e2d44ab094cf142d7c461ff09b9104"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e58c88f0cb2d8ed89de78f6f17409d29cfab6c5c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}