CVE-2022-26490
kernel: potential buffer overflows in EVT_TRANSACTION in st21nfca
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 7, 2022
Updated · November 21, 2025
Description
A buffer overflow flaw was found in the Linux kernel’s NFC protocol functionality. This flaw allows a local user to crash or escalate their privileges on the system.
Statement
Red Hat Enterprise Linux is not affected because kernel configuration CONFIG_NFC_ST21NFCA is disabled.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')