synced 10 MIN AGO
01 Record

CVE-2026-82961

Unvalidated pin index in GPIO syscall handlers allows out-of-bounds kernel writes from user mode

HighPUBLISHEDCNA: zephyr
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
View raw JSON

02 Description

Unvalidated pin index in GPIO syscall handlers allows out-of-bounds kernel writes from user mode

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 16:58Z19 HR AGO
Last updated
2026-10-28 16:58Z19 HR AGO
Reserved
2026-08-31
Assigning CNA
zephyr
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
5d84c828c17e4da5a13cd7cec2beb2ad1ebd2abc9af3b245b047b1de99fd1bf6

05 Affected products

VendorProductVersionsPlatforms
zephyrprojectzephyr2.2.0 to 4.4.2—

06 References