P5Verified

CVE-2022-40307: linux kernel through 5.19.8 (inclusive); +3 more affected products

CVE-2022-40307. CVSS 3.1 base score 4.7 (MEDIUM, NVD). EPSS 0.0021 (percentile 0.1041), scored 13-Oct-2026.

Affected technology

linux kernel · through 5.19.8 (inclusive)
linux

debian linux · 10.0
debian

debian linux · 11.0
debian

n/a · n/a
Vendor not specified by the source

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before V1.1
Siemens

Description’s affected range: through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 4.7/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 15-Oct-2026 01:10 UTC

CWE: CWE-362
CCR priority: 18.9 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.0021 · percentile 0.1041 · 2026-10-13
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-15 01:13:25.227066+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2022-40307.html