CVE-2026-53106
kernel: bpf: Do not allow deleting local storage in NMI
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 24, 2026
Updated · July 24, 2026
Description
A flaw was found in the Linux kernel's Berkeley Packet Filter (BPF) local storage. This vulnerability can lead to a system deadlock when local storage is deleted within a Non-Maskable Interrupt (NMI) context. An attacker could potentially exploit this by triggering the deletion of BPF local storage during an NMI, resulting in 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-833 · Deadlock