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CVE-2026-23009 xhci: sideband: don't dereference freed ring when removing sideband endpoint

🗓️ 25 Jan 2026 14:36:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Fixes xhci sideband endpoint removal to not dereference freed rings and to check ep->ring existence.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23009
25 Jan 202614:36
attackerkb
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Circl
CVE-2026-23009
25 Jan 202615:35
circl
CNNVD
Linux Kernel Security Vulnerabilities
25 Jan 202600:00
cnnvd
CVE
CVE-2026-23009
25 Jan 202614:36
cve
Debian CVE
CVE-2026-23009
25 Jan 202614:36
debiancve
EUVD
EUVD-2026-4619
25 Jan 202614:36
euvd
NVD
CVE-2026-23009
25 Jan 202615:15
nvd
OSV
BELL-CVE-2026-23009 CVE-2026-23009 does not affect BellSoft software
27 Jan 202606:07
osv
OSV
CVE-2026-23009 xhci: sideband: don't dereference freed ring when removing sideband endpoint
25 Jan 202614:36
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/host/xhci-sideband.c",
      "drivers/usb/host/xhci.c"
    ],
    "versions": [
      {
        "version": "de66754e9f8029f8ae955a588959b99cab56b506",
        "lessThan": "34f6634dba87ef72b3c3a3a524be663adef7ab42",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "de66754e9f8029f8ae955a588959b99cab56b506",
        "lessThan": "dd83dc1249737b837ac5d57c81f2b0977c613d9f",
        "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/usb/host/xhci-sideband.c",
      "drivers/usb/host/xhci.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.7",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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