CVE-2021-47237

🗓️ 21 May 2024 14:19:38Reported by LinuxType

cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 139 Views

Linux kernel resolved memory leak in net: hamradio: fix memory leak in mkiss_close functio

Reporter	Title	Published	Views	Family All 76
AstraLinux	Astra Linux - vulnerability in linux	15 Oct 202615:53	–	astralinux
BDU FSTEC	mkiss_close() Function Heap Buffer Overflow DoS	23 Jun 202500:00	–	bdu_fstec
CNNVD	Linux Kernel Security Vulnerabilities	21 May 202400:00	–	cnnvd
Cvelist	CVE-2021-47237 net: hamradio: fix memory leak in mkiss_close	21 May 202414:19	–	cvelist
Debian CVE	CVE-2021-47237	21 May 202414:19	–	debiancve
NVD	CVE-2021-47237	21 May 202415:15	–	nvd
OpenVAS	openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:2185-1)	29 Jun 202400:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2024:1979-1)	12 Jun 202400:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2024:2184-1)	17 Feb 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2024:2185-1)	17 Feb 202500:00	–	openvas

NVD

Vulners

CNA

Node

linux linux_kernelRange2.6.14–4.4.274

linux linux_kernelRange4.5–4.9.274

linux linux_kernelRange4.10–4.14.238

linux linux_kernelRange4.15–4.19.196

linux linux_kernelRange4.20–5.4.128

linux linux_kernelRange5.5–5.10.46

linux linux_kernelRange5.11–5.12.13

linux linux_kernelMatch5.13rc1

linux linux_kernelMatch5.13rc2

linux linux_kernelMatch5.13rc3

linux linux_kernelMatch5.13rc4

linux linux_kernelMatch5.13rc5

linux linux_kernelMatch5.13rc6

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/hamradio/mkiss.c"
    ],
    "versions": [
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "c634ba0b4159838ff45a60d3a0ace3b4118077a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "3942d0f9ace1a95a74930b5b4fc0e5005c62b37b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "765a8a04f828db7222b36a42b1031f576bfe95c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "c16c4716a1b5ba4f83c7e00da457cba06761f119",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "a49cbb762ef20655f5c91abdc13658b0af5e159d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "290b0b6432e2599021db0b8d6046f756d931c29f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "f4de2b43d13b7cf3ced9310e371b90c836dbd7cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "815f62bf742718458ba822a7e1f51f285eb997f2",
        "lessThan": "7edcc682301492380fbdd604b4516af5ae667a13",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/hamradio/mkiss.c"
    ],
    "versions": [
      {
        "version": "2.6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.274",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.274",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.238",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.196",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.128",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.46",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.13",
        "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/765a8a04f828db7222b36a42b1031f576bfe95c3
git	www.git.kernel.org/stable/c/f4de2b43d13b7cf3ced9310e371b90c836dbd7cd
git	www.git.kernel.org/stable/c/3942d0f9ace1a95a74930b5b4fc0e5005c62b37b
git	www.git.kernel.org/stable/c/c634ba0b4159838ff45a60d3a0ace3b4118077a5
git	www.git.kernel.org/stable/c/c16c4716a1b5ba4f83c7e00da457cba06761f119
git	www.git.kernel.org/stable/c/a49cbb762ef20655f5c91abdc13658b0af5e159d
git	www.git.kernel.org/stable/c/7edcc682301492380fbdd604b4516af5ae667a13
git	www.git.kernel.org/stable/c/290b0b6432e2599021db0b8d6046f756d931c29f

17 Jun 2026 04:16Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.15.5

EPSS0.00226

SSVC

CWE-401