CVE-2021-47521

🗓️ 24 May 2024 15:09:34Reported by LinuxType

In the Linux kernel, fix for use after free vulnerability in can: sja1000 drive

Reporter	Title	Published	Views	Family All 95
AstraLinux	Astra Linux - уязвимость в linux, linux-5.10	3 May 202623:59	–	astralinux
BDU FSTEC	The vulnerability of the ems_pcmcia_add_card() function in the Philips/NXP SJA1000 device driver for the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.	17 Jun 202400:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	24 May 202400:00	–	cnnvd
Cvelist	CVE-2021-47521 can: sja1000: fix use after free in ems_pcmcia_add_card()	24 May 202415:09	–	cvelist
Debian CVE	CVE-2021-47521	24 May 202415:09	–	debiancve
NVD	CVE-2021-47521	24 May 202415:15	–	nvd
OpenVAS	openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:2185-1)	29 Jun 202400:00	–	openvas
OpenVAS	Ubuntu: Security Advisory (USN-6976-1)	23 Aug 202400:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2024:2185-1)	17 Feb 202500:00	–	openvas
OSV	CLSA-2024-1718973513 Fix of 21 CVEs	21 Jun 202412:38	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange3.2–4.4.295

linux linux_kernelRange4.5–4.9.293

linux linux_kernelRange4.10–4.14.258

linux linux_kernelRange4.15–4.19.221

linux linux_kernelRange4.20–5.4.165

linux linux_kernelRange5.5–5.10.85

linux linux_kernelRange5.11–5.15.8

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/can/sja1000/ems_pcmcia.c"
    ],
    "versions": [
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "cbd86110546f7f730a1f5d7de56c944a336c15c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "1dd5b819f7e406dc15bbc7670596ff25261aaa2a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "c8718026ba287168ff9ad0ccc4f9a413062cba36",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "ccf070183e4655824936c0f96c4a2bcca93419aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "1a295fea90e1acbe80c6d4940f5ff856edcd6bec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "923f4dc5df679f678e121c20bf2fd70f7bf3e288",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "474f9a8534f5f89841240a7e978bafd6e1e039ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd734c6f25aea4b2b44b045e489aec67b388577e",
        "lessThan": "3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45",
        "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/can/sja1000/ems_pcmcia.c"
    ],
    "versions": [
      {
        "version": "3.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.295",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.293",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.258",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.221",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.165",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.85",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.8",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce
git	www.git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4
git	www.git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45
git	www.git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36
git	www.git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a
git	www.git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec
git	www.git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa
git	www.git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288

11 May 2026 13:56Current

8.5High risk

Vulners AI Score8.5

CVSS 3.17.8

EPSS0.00018

SSVC

CWE-416