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CVE-2026-45971 bpf: Limit bpf program signature size

🗓️ 27 May 2026 12:18:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

CVE-2026-45971 limits BPF program signature size to prevent oversized allocations via kernel allocators.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)
30 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-45971
28 May 202600:00
nessus
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-45971
27 May 202612:18
cve
Debian CVE
CVE-2026-45971
27 May 202612:18
debiancve
EUVD
EUVD-2026-32255
27 May 202615:33
euvd
NVD
CVE-2026-45971
27 May 202614:17
nvd
OSV
BELL-CVE-2026-45971 CVE-2026-45971 does not affect BellSoft software
28 May 202606:10
osv
OSV
DEBIAN-CVE-2026-45971
27 May 202614:17
osv
OSV
UBUNTU-CVE-2026-45971
27 May 202614:17
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/syscall.c"
    ],
    "versions": [
      {
        "version": "349271568303695f0ac3563af153d2b4542f6986",
        "lessThan": "5835a077c6f5c565d525eaca9fac01572b97a9b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "349271568303695f0ac3563af153d2b4542f6986",
        "lessThan": "eb8166c79097996396468a341de258a798789d36",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "349271568303695f0ac3563af153d2b4542f6986",
        "lessThan": "ea1535e28bb3773fc0b3cbd1f3842b808016990c",
        "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/syscall.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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