CVE-2026-90340
kernel: pinctrl: generic: free maps on pinctrl_generic_to_map() failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 6, 2026
Description
A flaw was found in the Linux kernel. When the pinctrl_generic_to_map() function encounters an error during device tree configuration parsing, it fails to properly free partially allocated memory. This oversight leads to memory leaks, which could potentially result in system instability or a denial of service (DoS) condition over time.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime