CVE-2026-90222
kernel: nfc: pn533: hold a reference to the request skb during send_frame
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 14, 2026
Description
A flaw was found in the Linux kernel's Near Field Communication (NFC) PN533 driver. A race condition can occur during frame transmission where a memory buffer is prematurely released while the I2C transport is still attempting to use it. This use-after-free vulnerability can lead to system instability or a denial of service.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference