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CVE-2026-64211 srcu: Don't queue workqueue handlers to never-online CPUs

🗓️ 24 Jul 2026 15:23:01Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Linux kernel fix: srcu stops queuing workqueue handlers on never-online processors and redirects callbacks to boot processor.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64211
24 Jul 202615:23
attackerkb
CVE
CVE-2026-64211
24 Jul 202615:23
cve
Debian CVE
CVE-2026-64211
24 Jul 202615:23
debiancve
EUVD
EUVD-2026-48619
24 Jul 202615:23
euvd
NVD
CVE-2026-64211
24 Jul 202616:16
nvd
Positive Technologies
PT-2026-64326
24 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/rcu/srcutree.c"
    ],
    "versions": [
      {
        "version": "61bbcfb50514a8a94e035a7349697a3790ab4783",
        "lessThan": "a4153538fcd2361c4e0039eb103265492d26044e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61bbcfb50514a8a94e035a7349697a3790ab4783",
        "lessThan": "593889c401426004bd0ea0f6d4fcece728b03420",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/rcu/srcutree.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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