CVE-2026-98668
Received Received - Intake

IIO Buffer Uninitialized Memory Leak in Linux Kernel

Vulnerability report for CVE-2026-98668, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-18

Last updated on: 2026-10-18

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Ensure bounce buffer used for unaligned case is zeroed. iio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory to userspace if the data passed in is not a multiple of 8 bytes and the timestamp is enabled. Specify __GFP_ZERO for the devm_krealloc() to ensure any extra space is cleared.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-18
Last Modified
2026-10-18
Generated
2026-10-18
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Linux Linux 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6
Linux Linux 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6
Linux Linux 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6
Linux Linux 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6
Linux Linux 5.16

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
AI Quick Actions have not been generated yet.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-98668. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart