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CVE-2026-74715 bpf: Fix netns reference imbalance in conntrack kfuncs

🗓️ 22 Aug 2026 15:33:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Race condition in Linux kernel BPF conntrack kfuncs causes netns reference imbalance and crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74715
22 Aug 202615:33
–cve
debiancve
Debian CVE
CVE-2026-74715
22 Aug 202615:33
–debiancve
euvd
EUVD
EUVD-2026-64402
22 Aug 202615:33
–euvd
mscve
Microsoft CVE
bpf: Fix netns reference imbalance in conntrack kfuncs
24 Aug 202608:12
–mscve
nvd
NVD
CVE-2026-74715
22 Aug 202616:16
–nvd
osv
OSV
AZL-97341 CVE-2026-74715 affecting package kernel 6.6.157.1-1
22 Aug 202616:16
–osv
osv
OSV
BELL-CVE-2026-74715
27 Aug 202606:10
–osv
osv
OSV
DEBIAN-CVE-2026-74715
22 Aug 202616:16
–osv
osv
OSV
OESA-2026-3707 kernel security update
14 Sep 202616:33
–osv
osv
OSV
OESA-2026-3987 kernel security update
20 Sep 202613:23
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_conntrack_bpf.c"
    ],
    "versions": [
      {
        "version": "aed8ee7feb44b6537af1e0b4f03365d42928be38",
        "lessThan": "e5e060eb63d10b41ab60fd955649479d99b38210",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aed8ee7feb44b6537af1e0b4f03365d42928be38",
        "lessThan": "fdeba03fea78407a8c52faa99177c9f7f29f90eb",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_conntrack_bpf.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Aug 2026 05:41Current
CVSS 3.17.8
EPSS0.00165
39