CVE-2026-93072
kernel: irqchip/renesas-irqc: Fix generic interrupt chip leak on remove
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · September 30, 2026
Description
A flaw was found in the Linux kernel's irqchip/renesas-irqc driver. When the driver is removed, generic interrupt chips are not properly freed, leading to a resource leak. This can result in a use-after-free vulnerability, where a local attacker could potentially trigger a kernel crash.
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-825 · Expired Pointer Dereference