CVE-2026-98580
kernel: nfc: llcp: Fix race condition in accept_queue lifecycle
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's Near Field Communication (NFC) Logical Link Control Protocol (LLCP) implementation. A race condition occurs during concurrent socket release and connection accept operations due to improper lock synchronization. A local attacker could exploit this flaw to cause a use-after-free or null-pointer dereference, leading to a denial of service (DoS) or potentially privilege escalation.
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