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CVE-2026-53191 io_uring/net: inherit IORING_CQE_F_BUF_MORE across bundle recv retries

🗓️ 25 Jun 2026 08:39:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Kernel fix: io_uring net inherits the buffer flag across bundle receive retries to avoid stale flags.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53191
25 Jun 202608:39
attackerkb
CVE
CVE-2026-53191
25 Jun 202608:39
cve
Debian CVE
CVE-2026-53191
25 Jun 202608:39
debiancve
EUVD
EUVD-2026-39282
25 Jun 202608:39
euvd
NVD
CVE-2026-53191
25 Jun 202609:16
nvd
Positive Technologies
PT-2026-52287
25 Jun 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/net.c"
    ],
    "versions": [
      {
        "version": "ae98dbf43d755b4e111fcd086e53939bef3e9a1a",
        "lessThan": "f40570fda3f3a1f96aeaa4aef665ba274b2810b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ae98dbf43d755b4e111fcd086e53939bef3e9a1a",
        "lessThan": "0bbc9481f970b0b4ddb08cfa464db1cc93b74b56",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ae98dbf43d755b4e111fcd086e53939bef3e9a1a",
        "lessThan": "4973232a67e4137ab9399f504f7f2bdd847f96d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ae98dbf43d755b4e111fcd086e53939bef3e9a1a",
        "lessThan": "ed46f39c47eb5530a9c161481a2080d3a869cfaf",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/net.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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