Vulnerability Details : CVE-2021-4202

CVE Name: CVE-2021-4202: Privilege Escalation vulnerability on Linux Linux Kernel
Description: A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
Publish date: 2022-03-25T19:15Z
Last Update: 2022-05-13T22:15Z

CVSS Scores & Vulnerability Types

CVSS Score
7.0
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH
Actack VectorLOCAL
Actack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Vulnerability Type(s)Privilege Escalation
CWE ID362

Products Affected By CVE-2021-4202

# Vendor Product Vulnerable Versions
1 Linux Linux Kernel 3

Detail of Verions Affected

# Product Type Vendor Product Version
1 Operating System Linux Linux Kernel 5.16 Rc1
2 Operating System Linux Linux Kernel 5.16
3 Operating System Linux Linux Kernel *

References For CVE-2021-4202

Hyperlink Resource
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 Exploit, Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2036682 Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 Exploit, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 Exploit, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220513-0002/