Vulnerability of the mt7921pci_probe() function in the drivers/net/wireless/mediatek/mt76/mt7921/pci.c module – This driver provides support for wireless communication adapters in the Linux operating system. It can be exploited by attackers to cause system failures.

🗓️ 23 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

bdu_fstec

bdu_fstec🔗 bdu.fstec.ru👁 6 Views

The mt7921pci_probe() vulnerability in Linux mt7921 PCI driver can crash system via input validation.

Reporter	Title	Published	Views	Family All 16
Circl	CVE-2021-47027	28 Feb 202410:26	–	circl
CNNVD	Linux kernel security vulnerabilities	28 Feb 202400:00	–	cnnvd
CVE	CVE-2021-47027	28 Feb 202408:13	–	cve
Cvelist	CVE-2021-47027 mt76: mt7921: fix kernel crash when the firmware fails to download	28 Feb 202408:13	–	cvelist
Debian CVE	CVE-2021-47027	28 Feb 202408:13	–	debiancve
NVD	CVE-2021-47027	28 Feb 202409:15	–	nvd
OSV	UBUNTU-CVE-2021-47027	28 Feb 202409:15	–	osv
Prion	Spoofing	28 Feb 202409:15	–	prion
Positive Technologies	PT-2024-11127 · Linux · Linux Kernel	12 Apr 202100:00	–	ptsecurity
Tenable Nessus	RHEL 6 : kernel (Unpatched Vulnerability)	11 May 202400:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/a46b536cd60c0dbd4bf767c62a8774dec52bf099
git	www.git.kernel.org/stable/c/e230f0c44f011f3270680a506b19b7e84c5e8923
lore	www.lore.kernel.org/linux-cve-announce/2024022834-CVE-2021-47027-4a56@gregkh/T/
cve	www.cve.mitre.org/cgi-bin/cvename.cgi
git	www.git.kernel.org/linus/e230f0c44f011f3270680a506b19b7e84c5e8923
cve	www.cve.org/CVERecord
lore	www.lore.kernel.org/linux-cve-announce/2024022834-CVE-2021-47027-4a56@gregkh/
kernel	www.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
web	www.web.nvd.nist.gov/view/vuln/detail

23 Jun 2025 00:00Current

5.4Medium risk

Vulners AI Score5.4

CVSS 24.6

CVSS 35.5

EPSS0.00107

mt7921pci_probe linux driver input validation system crash wireless driver