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CVE-2023-53221

🗓️ 15 Sep 2025 14:21:50Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 41 Views

Fix memory leak in the Linux kernel when fentry attach fails, leaving a bpf trampoline image in the system.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.10.285.11
OR
linuxlinux_kernelRange5.11.115.12
OR
linuxlinux_kernelRange5.12.16.1.39
OR
linuxlinux_kernelRange6.26.3.13
OR
linuxlinux_kernelRange6.46.4.4
OROR
linuxlinux_kernelMatch5.12rc5
OR
linuxlinux_kernelMatch5.12rc6
OR
linuxlinux_kernelMatch5.12rc7
OR
linuxlinux_kernelMatch5.12rc8
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/trampoline.c"
    ],
    "versions": [
      {
        "version": "e21aa341785c679dd409c8cb71f864c00fe6c463",
        "lessThan": "20109ddd5bea2c24d790debf5d02584ef24c3f5e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e21aa341785c679dd409c8cb71f864c00fe6c463",
        "lessThan": "f72c67d1a82dada7d6d504c806e111e913721a30",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e21aa341785c679dd409c8cb71f864c00fe6c463",
        "lessThan": "6aa27775db63ba8c7c73891c7dfb71ddc230c48d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e21aa341785c679dd409c8cb71f864c00fe6c463",
        "lessThan": "108598c39eefbedc9882273ac0df96127a629220",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e21d2b92354b3cd25dd774ebb0f0e52ff04a7861",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85d177f56e5256e14b74a65940f981f6e3e8bb32",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.28",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.11.11",
        "lessThan": "5.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/trampoline.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.39",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.13",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.4",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 15:28Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.5
EPSS0.00028
SSVC
41