CVE-2021-47122

🗓️ 15 Mar 2024 20:14:28Reported by LinuxType

CVE-2021-47122: Linux kernel net: caif: fix memory lea

Reporter	Title	Published	Views	Family All 34
AstraLinux	Astra Linux – Vulnerability in Linux	3 May 202623:59	–	astralinux
BDU FSTEC	The vulnerability of the caif_device_notify() function in the net/caif/caif_dev.c module, which is part of the Linux kernel’s networking functions, allows a hacker to gain access to protected information.	23 Jun 202500:00	–	bdu_fstec
Circl	CVE-2021-47122	15 Mar 202422:27	–	circl
CNNVD	Linux kernel security vulnerabilities	15 Mar 202400:00	–	cnnvd
Cvelist	CVE-2021-47122 net: caif: fix memory leak in caif_device_notify	15 Mar 202420:14	–	cvelist
Debian CVE	CVE-2021-47122	15 Mar 202420:14	–	debiancve
NVD	CVE-2021-47122	15 Mar 202421:15	–	nvd
OpenVAS	Ubuntu: Security Advisory (USN-7415-1)	4 Apr 202500:00	–	openvas
OpenVAS	Ubuntu: Security Advisory (USN-7429-1)	10 Apr 202500:00	–	openvas
OpenVAS	Ubuntu: Security Advisory (USN-7429-2)	10 Apr 202500:00	–	openvas

NVD

Vulners

CNA

Node

linux linux_kernelRange3.3–4.4.272

linux linux_kernelRange4.5–4.9.272

linux linux_kernelRange4.10–4.14.236

linux linux_kernelRange4.15–4.19.194

linux linux_kernelRange4.20–5.4.125

linux linux_kernelRange5.5–5.10.43

linux linux_kernelRange5.11–5.12.10

linux linux_kernelMatch5.13rc1

linux linux_kernelMatch5.13rc2

linux linux_kernelMatch5.13rc3

linux linux_kernelMatch5.13rc4

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/caif/caif_dev.c"
    ],
    "versions": [
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "9348c1f10932f13b299cbc8b1bd5f780751fae49",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "4bca2034b41c15b62d47a19158bb76235fd4455d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "3be863c11cab725add9fef4237ed4e232c3fc3bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "f52f4fd67264c70cd0b4ba326962ebe12d9cba94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "af2806345a37313f01b1c9f15e046745b8ee2daa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "6a0e317f61094d377335547e015dd2ff12caf893",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e",
        "lessThan": "b53558a950a89824938e9811eddfc8efcd94e1bb",
        "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/caif/caif_dev.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.272",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.272",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.236",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.194",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.125",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.43",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.10",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa
git	www.git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893
git	www.git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49
git	www.git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d
git	www.git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb
git	www.git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb
git	www.git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8
git	www.git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94

17 Jun 2026 04:16Current

6.5Medium risk

Vulners AI Score6.5

CVSS 3.15.5

EPSS0.00228

SSVC

CWE-401