CVE-2026-98668
kernel: iio: buffer: Ensure bounce buffer used for unaligned case is zeroed
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 22, 2026
Description
A flaw was found in the Linux kernel's Industrial I/O (IIO) subsystem. This vulnerability allows information disclosure when the kernel processes unaligned data buffers with timestamps enabled. Because the allocated buffer is not properly cleared before being shared with user space, a local user can read uninitialized kernel heap memory, potentially exposing sensitive system information.
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 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-908 · Use of Uninitialized Resource