{"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 >= c39e3d5fc9dd3e16c6f59dd94d827540040de66d < e03fd646adad7f97fa4429ec5f38cee9bde5276e","Linux >= c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 5d7637f4d050d105177217e64b869f56f9825060","Linux >= c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 3b8b2e58b078cd30e121401535541bb8a6d57133","Linux >= c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 3303398cc2aa255ba251650a30024e11d48ea6c3","Linux >= c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 6df6b1f2c49678211f65647c300bc51dda02893b","Linux 3.19"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:52.437","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/5d7637f4d050d105177217e64b869f56f9825060","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6df6b1f2c49678211f65647c300bc51dda02893b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e03fd646adad7f97fa4429ec5f38cee9bde5276e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93826.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93826"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540538"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93826"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93826"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93826.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00234,"epssPercentile":0.14236,"ingestedAt":"2026-09-24T16:47:15.891Z","cwe":["CWE-825"],"scores":{"nvd":7.5,"vendor":5.5},"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.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93826.json)","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"}]}