PT-2026-30126 · Linux+1 · Linux Kernel+1

Published 2026-04-03 · Updated 2026-04-03 · CVE-2026-23431

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak exists in the aml spisg probe() function within the amlogic-spisg SPI driver. The ctlr variable, allocated by spi alloc target()/spi alloc host(), is not properly released via spi controller put() in several error scenarios during driver probing. This results in a memory leak whenever the driver fails to probe after initial allocation.

Recommendations Utilize devm spi alloc host()/devm spi alloc target() to resolve the memory leak.

Fix

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2026-23431

Affected Products

Linux Kernel

Aml Spisg Spi Driver

References · 11

• https://git.kernel.org/stable/c/b8db9552997924b750e727a625a30eaa4603bbb9 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-23431 · Security Note
• https://git.kernel.org/stable/c/bec21d97c968a4806939eb2946df49ea6c341bde · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23431 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23431 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-23431 · Security Note
• https://git.kernel.org/stable/c/8e28a01b69f7ea8df7ceb15470cfe643b2828f4f · Patch
• https://ubuntu.com/security/CVE-2026-23431 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-23431 · Vendor Advisory
• https://twitter.com/CVEnew/status/2040111902471451103 · Twitter Post
• https://git.kernel.org/linus/b8db9552997924b750e727a625a30eaa4603bbb9 · Note