CVE-2021-4202
low-risk
Published 2022-03-25
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.
Do I need to act?
-
0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10
High
LOCAL
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (16)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2036682
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220513-0002/
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2036682
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220513-0002/
23
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal