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CVE-2026-93253 sched/isolation: Defer freeing of cpumask memblock memory to initcall

🗓️ 24 Sep 2026 15:51:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Linux kernel sched/isolation warns when freeing memblock memory before map initialization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93253
24 Sep 202615:51
–cve
debiancve
Debian CVE
CVE-2026-93253
24 Sep 202615:51
–debiancve
euvd
EUVD
EUVD-2026-86125
24 Sep 202615:51
–euvd
nvd
NVD
CVE-2026-93253
24 Sep 202616:17
–nvd
osv-bell
osv-bell
BELL-CVE-2026-93253 CVE-2026-93253 does not affect BellSoft software
26 Sep 202606:06
–osv-bell
osv-debian
osv-debian
DEBIAN-CVE-2026-93253
24 Sep 202616:17
–osv-debian
osv-opensuse
osv-opensuse
OPENSUSE-SU-2026:11893-1 kernel-devel-7.2.8-1.1 on GA media
28 Sep 202600:00
–osv-opensuse
osv-ubuntu
osv-ubuntu
UBUNTU-CVE-2026-93253
24 Sep 202616:17
–osv-ubuntu
ptsecurity
Positive Technologies
PT-2026-94740
17 Sep 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-94891
17 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/isolation.c"
    ],
    "versions": [
      {
        "version": "27c3a5967f054ab666704cb28f2aeb18ca07cab7",
        "lessThan": "811fdac2d1bdf0b0d3fda262aac288ddd13a1422",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c3a5967f054ab666704cb28f2aeb18ca07cab7",
        "lessThan": "2b58c749b8c5244e259a0230bc57b10b010dc545",
        "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/isolation.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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