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CVE-2026-93112 bpf: Require a BPF cpumask for bpf_cpumask_populate()

🗓️ 17 Sep 2026 16:11:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

Linux kernel BPF verifier accepts read-only cpumask pointers as writable in bpf_cpumask_populate().

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93112
17 Sep 202616:11
cve
debiancve
Debian CVE
CVE-2026-93112
17 Sep 202616:11
debiancve
euvd
EUVD
EUVD-2026-82220
17 Sep 202616:11
euvd
nvd
NVD
CVE-2026-93112
17 Sep 202617:18
nvd
osv
OSV
DEBIAN-CVE-2026-93112
17 Sep 202617:18
osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/cpumask.c",
      "tools/sched_ext/include/scx/compat.bpf.h"
    ],
    "versions": [
      {
        "version": "950ad93df2fce70445e655ed2e74f5c1a8653ab2",
        "lessThan": "0cfc9348a045da64955af2dd6902e66dfc7d6469",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "950ad93df2fce70445e655ed2e74f5c1a8653ab2",
        "lessThan": "b7e2a5c6519adc73be55c3de2cb545e095a0fbc5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "950ad93df2fce70445e655ed2e74f5c1a8653ab2",
        "lessThan": "8740156ad33be5071b588b594c55f279457f667c",
        "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/bpf/cpumask.c",
      "tools/sched_ext/include/scx/compat.bpf.h"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "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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