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CVE-2026-53996

🗓️ 12 Aug 2026 12:42:33Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 44 Views🌐 WEB

Unprivileged HDAUDIO_FGRP_SETCONFIG ioctl triggers use-after-free race in hdaudio(4) enabling DoS or privilege escalation.

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Detection
Affected
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Vulners
CNA
[
  {
    "defaultStatus": "affected",
    "vendor": "The NetBSD Foundation",
    "product": "NetBSD",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "11"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
HDAUDIO_FGRP_SETCONFIGpath/dev/hdaudioNMissing access control allows unprivileged local users to invoke HDAUDIO_FGRP_SETCONFIG on /dev/hdaudioN, triggering a use-after-free race in hdafg_detach() between stream_stop() and stream_disestablish().CWE-862

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14 Aug 2026 16:50Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17
CVSS 47.3
EPSS0.00094
SSVC
44