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CVE-2026-89520 sched/core: Make core-sched flips wait for in-flight selections

🗓️ 11 Sep 2026 19:44:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel core-sched race lets __sched_core_flip rebind locks mid-selection, leaking locks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89520
11 Sep 202619:44
cve
euvd
EUVD
EUVD-2026-76426
11 Sep 202619:44
euvd
nvd
NVD
CVE-2026-89520
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90236
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89520
11 Sep 202622:22
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/core.c",
      "kernel/sched/sched.h"
    ],
    "versions": [
      {
        "version": "539f65125d20aacab54d02d77f10a839f45b09dc",
        "lessThan": "9d69422ddaa13526c2223444e237d948d6e44728",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "539f65125d20aacab54d02d77f10a839f45b09dc",
        "lessThan": "23eda24f325a6e6d686d30ec75f2e9d6745e2015",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "539f65125d20aacab54d02d77f10a839f45b09dc",
        "lessThan": "f3629c63a4af3e491381780bc6c123cb498c4c40",
        "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/sched/core.c",
      "kernel/sched/sched.h"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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