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CVE-2026-99096 io_uring/register: don't exempt disabled rings from task restrictions

🗓️ 26 Oct 2026 14:52:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Linux kernel io_uring/register allows restricted tasks to enable rings via inherited restrictions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-99096
26 Oct 202615:25
–circl
cve
CVE
CVE-2026-99096
26 Oct 202614:52
–cve
euvd
EUVD
EUVD-2026-109902
26 Oct 202614:52
–euvd
nvd
NVD
CVE-2026-99096
26 Oct 202615:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-99096
26 Oct 202615:16
–osv_debian
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/io_uring_types.h",
      "io_uring/io_uring.c",
      "io_uring/register.c"
    ],
    "versions": [
      {
        "version": "ed82f35b926b2e505c14b7006473614b8f58b4f4",
        "lessThan": "f55c240192ded562386de843bfa067671d2731d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed82f35b926b2e505c14b7006473614b8f58b4f4",
        "lessThan": "6da8f402e362b2f546e2efb7167fc9597aef6faf",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/io_uring_types.h",
      "io_uring/io_uring.c",
      "io_uring/register.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.11",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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