CVE-2021-47355

🗓️ 21 May 2024 14:35:58Reported by LinuxType

The Linux kernel resolves use-after-free vulnerability in nicstar_cleanup() of atm: nicstar

Reporter	Title	Published	Views	Family All 61
AstraLinux	Astra Linux – Vulnerability in Linux	15 Oct 202615:53	–	astralinux
BDU FSTEC	nicstar_cleanup Heap Buffer Overflow DoS	25 Jun 202500:00	–	bdu_fstec
Circl	CVE-2021-47355	4 May 202507:17	–	circl
CNNVD	Linux Kernel Security Vulnerabilities	21 May 202400:00	–	cnnvd
Cvelist	CVE-2021-47355 atm: nicstar: Fix possible use-after-free in nicstar_cleanup()	21 May 202414:35	–	cvelist
Debian CVE	CVE-2021-47355	21 May 202414:35	–	debiancve
NVD	CVE-2021-47355	21 May 202415:15	–	nvd
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
osv_clsa	CLSA-2025-1738957378 Fix of 49 CVEs	7 Feb 202519:43	–	osv_clsa

NVD

Vulners

CNA

Node

linux linux_kernelRange<4.4.276

linux linux_kernelRange4.5–4.9.276

linux linux_kernelRange4.10–4.14.240

linux linux_kernelRange4.15–4.19.198

linux linux_kernelRange4.20–5.4.133

linux linux_kernelRange5.5–5.10.51

linux linux_kernelRange5.11–5.12.18

linux linux_kernelRange5.13–5.13.3

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/atm/nicstar.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "99779c9d9ffc7775da6f7fd8a7c93ac61657bed5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "c471569632654e57c83512e0fc1ba0dbb4544ad6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a7a7b2848312cc4c3a42b6e42a8ab2e441857aba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "bdf5334250c69fabf555b7322c75249ea7d5f148",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2f958b6f6ba0854b39be748d21dfe71e0fe6580f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "5b991df8881088448cb223e769e37cab8dd40706",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "34e7434ba4e97f4b85c1423a59b2922ba7dff2ea",
        "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/atm/nicstar.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.276",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.276",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.240",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.198",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.133",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.51",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.18",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13.3",
        "lessThanOrEqual": "5.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/99779c9d9ffc7775da6f7fd8a7c93ac61657bed5
git	www.git.kernel.org/stable/c/a7a7b2848312cc4c3a42b6e42a8ab2e441857aba
git	www.git.kernel.org/stable/c/a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785
git	www.git.kernel.org/stable/c/2f958b6f6ba0854b39be748d21dfe71e0fe6580f
git	www.git.kernel.org/stable/c/4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51
git	www.git.kernel.org/stable/c/34e7434ba4e97f4b85c1423a59b2922ba7dff2ea
git	www.git.kernel.org/stable/c/5b991df8881088448cb223e769e37cab8dd40706
git	www.git.kernel.org/stable/c/c471569632654e57c83512e0fc1ba0dbb4544ad6
git	www.git.kernel.org/stable/c/bdf5334250c69fabf555b7322c75249ea7d5f148

17 Jun 2026 04:17Current

6.7Medium risk

Vulners AI Score6.7

CVSS 3.17.8

EPSS0.00247

SSVC

CWE-416