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CVE-2026-64548 bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()

🗓️ 27 Jul 2026 20:10:38Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

CVE-2026-64548: Add overflow check in bpf_msg_push_data to prevent undersized allocations from length wrap in sockmap.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-64548
27 Jul 202620:10
cve
Debian CVE
CVE-2026-64548
27 Jul 202620:10
debiancve
EUVD
EUVD-2026-49599
27 Jul 202620:10
euvd
NVD
CVE-2026-64548
27 Jul 202621:17
nvd
OSV
CVE-2026-64548 bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()
27 Jul 202620:10
osv
OSV
DEBIAN-CVE-2026-64548
27 Jul 202621:17
osv
OSV
UBUNTU-CVE-2026-64548
28 Jul 202600:00
osv
Positive Technologies
PT-2026-65223
27 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/filter.c"
    ],
    "versions": [
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
        "lessThan": "f1644c9508d24f50dd9e8ebe8d3ba86e0996d2f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
        "lessThan": "888706a76286c547bd035432602571e8024b5305",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
        "lessThan": "db77b6bb6e6edb79b10b4efcce346eec5582d588",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fff607e2f14bd7c63c06c464a6f93b8efbabe28",
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        "status": "affected",
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      {
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        "status": "affected",
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/filter.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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