{"id":"CVE-2026-98501","summary":"HID: alps: fix use-after-free on input2 registration failure","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: alps: fix use-after-free on input2 registration failure\n\nalps_input_configured() stores data-\u003einput2 before calling\ninput_register_device().  If registration fails, input_free_device()\nfrees the input device but data-\u003einput2 still points to the freed memory.\nalps_input_configured() calls hid_hw_open() before allocating input2, so\nURBs are already active and raw_event can fire during the failure window.\nA U1_SP_ABSOLUTE_REPORT_ID report arriving then causes u1_raw_event()\nto dereference the freed data-\u003einput2 -\u003e use-after-free.\n\nFix by only storing input2 into drvdata after successful registration\nand adding a NULL guard in the raw_event path.","modified":"2026-10-19T02:46:32.822446757Z","published":"2026-10-18T15:16:46.205Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98501.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2e55d76e6e8a756f6d87c241de975599f82b02fa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/443f6b93442b10b972a16f57ceaaea75b77892b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/47e5e177e9e4e10da6f2759d5ce8d049e33efdc4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5a8ad63158165bacd6a1d7420e0fe5364c913b06"},{"type":"WEB","url":"https://git.kernel.org/stable/c/64f824dccfd316fd3db8ea1cc4e8a76ad6a02740"},{"type":"WEB","url":"https://git.kernel.org/stable/c/925da1d2a24787f24872de13a4680437c54de179"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3aba3442798ce4a4c8ce3104d7b286d61e605f9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef8ca5bb4c8b9696f38b1bebce1c851baa02b77b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98501.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98501"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2562756dde550901c224e3805102bdfc17e7d13a"},{"fixed":"64f824dccfd316fd3db8ea1cc4e8a76ad6a02740"},{"fixed":"2e55d76e6e8a756f6d87c241de975599f82b02fa"},{"fixed":"ef8ca5bb4c8b9696f38b1bebce1c851baa02b77b"},{"fixed":"5a8ad63158165bacd6a1d7420e0fe5364c913b06"},{"fixed":"47e5e177e9e4e10da6f2759d5ce8d049e33efdc4"},{"fixed":"925da1d2a24787f24872de13a4680437c54de179"},{"fixed":"443f6b93442b10b972a16f57ceaaea75b77892b6"},{"fixed":"d3aba3442798ce4a4c8ce3104d7b286d61e605f9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98501.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.8.0"},{"fixed":"5.10.271"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.222"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.189"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.55"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98501.json"}}],"schema_version":"1.9.0"}