{"id":"CVE-2026-93826","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hidpp: fix potential UAF in hidpp_connect_event()\n\nIf input_register_device() fails, we call input_free_device(), but keep\nstale pointer to the old device in hidpp…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hidpp: fix potential UAF in hidpp_connect_event()\n\nIf input_register_device() fails, we call input_free_device(), but keep\nstale pointer to the old device in hidpp…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3b8b2e58b078cd30e121401535541bb8a6d57133","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3303398cc2aa255ba251650a30024e11d48ea6c3","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6df6b1f2c49678211f65647c300bc51dda02893b","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-25","sourceUpdated":"2026-09-25T05:17:04.043","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93826","references":[{"url":"https://git.kernel.org/stable/c/3303398cc2aa255ba251650a30024e11d48ea6c3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3b8b2e58b078cd30e121401535541bb8a6d57133","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6df6b1f2c49678211f65647c300bc51dda02893b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.891Z","slug":"CVE-2026-93826","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nHID: hidpp: fix potential UAF in hidpp_connect_event()\n\nIf input_register_device() fails, we call input_free_device(), but keep\nstale pointer to the old device in hidpp->input, which could potentially\nlead to UAF. Fix that by resetting it to NULL before returning from\nhidpp_connect_event().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210567,"id":"CVE-2026-93826","ts":1790316054859,"field":"cvss","old":null,"new":"7.5"},{"seq":210566,"id":"CVE-2026-93826","ts":1790316054859,"field":"severity","old":"none","new":"high"}]}