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CVE-2026-23113 io_uring/io-wq: check IO_WQ_BIT_EXIT inside work run loop

🗓️ 14 Feb 2026 15:09:46Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Fixed IO_WQ_BIT_EXIT check in io-wq work loop to prevent hanging on large msr reads.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/io-wq.c"
    ],
    "versions": [
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "27e47500fac23d15b7dc93ff650bc4844d2581bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "d05d99573f81a091547b1778b9a50120f5d6c68a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "85eb83694a91c89d9abe615d717c0053c3efa714",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "2e8ca1078b14142db2ce51cbd18ff9971560046b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "bdf0bf73006ea8af9327cdb85cfdff4c23a5f966",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c60eb049f4a19ddddcd3ee97a9c79ab8066a6a03",
        "lessThan": "10dc959398175736e495f71c771f8641e1ca1907",
        "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/io-wq.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.68",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.8",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:00Current
EPSS0.00018
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