CVE-2021-47033

🗓️ 28 Feb 2024 08:13:42Reported by LinuxType

In Linux kernel, fix for CVE-2021-47033 to resolve mt7615 tx skb dma unmap vulnerability

Reporter	Title	Published	Views	Family All 17
BDU FSTEC	Vulnerability of the mt7615_txp_skb_unmap_fw() function in the drivers/net/wireless/mediatek/mt76/mt7615/mac.c module – A driver for supporting wireless communication adapters in the Linux operating system, which allows an attacker to gain access to protected information	23 Jun 202500:00	–	bdu_fstec
Circl	CVE-2021-47033	28 Feb 202410:26	–	circl
CNNVD	Linux kernel security vulnerabilities	28 Feb 202400:00	–	cnnvd
Cvelist	CVE-2021-47033 mt76: mt7615: fix tx skb dma unmap	28 Feb 202408:13	–	cvelist
Debian CVE	CVE-2021-47033	28 Feb 202408:13	–	debiancve
NVD	CVE-2021-47033	28 Feb 202409:15	–	nvd
OSV	DEBIAN-CVE-2021-47033	28 Feb 202409:15	–	osv
OSV	UBUNTU-CVE-2021-47033	28 Feb 202409:15	–	osv
Prion	Spoofing	28 Feb 202409:15	–	prion
Positive Technologies	PT-2024-11132 · Linux · Linux Kernel	11 Apr 202100:00	–	ptsecurity

NVD

Vulners

CNA

Node

linux linux_kernelRange5.10–5.10.37

linux linux_kernelRange5.11–5.11.21

linux linux_kernelRange5.12–5.12.4

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/mediatek/mt76/mt7615/mac.c"
    ],
    "versions": [
      {
        "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77",
        "lessThan": "75bc5f779a7664d1fc19cb915039439c6e58bb94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77",
        "lessThan": "a025277a80add18c33d01042525a74fe5b875f25",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77",
        "lessThan": "821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77",
        "lessThan": "ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9",
        "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/wireless/mediatek/mt76/mt7615/mac.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.37",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.11.21",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.4",
        "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/75bc5f779a7664d1fc19cb915039439c6e58bb94
git	www.git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25
git	www.git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2
git	www.git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9

17 Jun 2026 04:16Current

6.4Medium risk

Vulners AI Score6.4

CVSS 3.15.5

EPSS0.00222

SSVC

CWE-401