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CVE-2026-23417 bpf: Fix constant blinding for PROBE_MEM32 stores

🗓️ 02 Apr 2026 11:40:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

Fix constant blinding for BPF_PROBE_MEM32 stores in the JIT so 32-bit immediates are blinded.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/core.c"
    ],
    "versions": [
      {
        "version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
        "lessThan": "56af722756ed82fee2ae5d5b4d04743407506195",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
        "lessThan": "ccbf29b28b5554f9d65b2fb53b994673ad58b3bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
        "lessThan": "de641ea08f8fff6906e169d2576c2ac54e562fbb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
        "lessThan": "2321a9596d2260310267622e0ad8fbfa6f95378f",
        "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/core.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.80",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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