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CVE-2026-99243 io-wq: order the exit bit against worker creation task work

🗓️ 03 Nov 2026 11:14:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Race condition in Linux kernel io-wq allows tasks to wait indefinitely.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-99243
3 Nov 202611:21
–circl
cve
CVE
CVE-2026-99243
3 Nov 202611:14
–cve
euvd
EUVD
EUVD-2026-115773
3 Nov 202611:14
–euvd
nvd
NVD
CVE-2026-99243
3 Nov 202612:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-99243
3 Nov 202612:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-136079
3 Nov 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-99243: Linux: In the Linux kernel, the following vulnerability has been resolved: io-wq: order the exit bit against worker creation…
3 Nov 202600:00
–rapid7
ubuntucve
UbuntuCve
CVE-2026-99243
3 Nov 202600:00
–ubuntucve
[
  {
    "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": "4b4e5bbf9386d4ec21d91c0cb0fd60b9bba778ec",
        "lessThan": "67da3eec264aeb67835886720243ae2dc1463315",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71a85387546e50b1a37b0fa45dadcae3bfb35cf6",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71a85387546e50b1a37b0fa45dadcae3bfb35cf6",
        "lessThan": "1432d881d99584105122760133caeff1dce7a9f7",
        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
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      },
      {
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        "lessThan": "0d81cdd433b0a96c5275c01b8172e0b1f71dd595",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71a85387546e50b1a37b0fa45dadcae3bfb35cf6",
        "lessThan": "75395db7a9b40a2e826c838e648fef8ed1a2d174",
        "status": "affected",
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      },
      {
        "version": "71a85387546e50b1a37b0fa45dadcae3bfb35cf6",
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        "status": "affected",
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      },
      {
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        "lessThan": "0e5663856b69219ef2f02e04bac9f5c5be19718a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.11",
        "lessThan": "5.15.224",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "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": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.224",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.191",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.161",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.115",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.60",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.14",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3.1",
        "lessThanOrEqual": "7.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.4-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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