Incomplete cleanup in Linux kernel - CVE-2026-90403

Vulnerability identifier: #VU151439

CSH Severity: Low

CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-90403

CWE-ID: CWE-459

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise system confidentiality, integrity, and availability.

The vulnerability exists due to incomplete cleanup caused by an incorrect goto label in the rtl_pci_probe() function when handling an IRQ handler registration failure. A local user can trigger this error path to compromise system confidentiality, integrity, and availability.

Linux kernel
Debian Linux
Ubuntu
linux-nvidia-tegra-igx (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-azure-fde (Ubuntu package)
linux (Ubuntu package)
linux-oracle (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)
linux (Debian package)

Install security update from vendor's repository.

linux-nvidia-tegra-igx (Ubuntu package) - update to 5.15.0-1059.59
linux-nvidia-tegra (Ubuntu package) - update to 5.15.0-1070.72
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1070.72~20.04.1
linux-azure-fde (Ubuntu package) - update to 5.15.0-1124.133
linux (Ubuntu package) - update to 7.0.0-42.42
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17
linux (Debian package) - update to 6.12.111-1

• https://git.kernel.org/stable/c/1b68b6e529ce75112fab98e89583a76370ca394b
• https://git.kernel.org/stable/c/2634998247d24be34ba16a7666f31815ef1da00b
• https://git.kernel.org/stable/c/3c2999d13eeb222ae56631aeb7ca248090f2b210
• https://git.kernel.org/stable/c/86e6187f8525c8f8219eb49e022eba854cc6ab86
• https://git.kernel.org/stable/c/a89818977338ba71194b1ab1d071f0c0848b1e13
• https://git.kernel.org/stable/c/aef178ffae5420afdbf46f7133ed28bd4248e15c
• https://git.kernel.org/stable/c/b42fcfb097da46f0e86564736ced939e83cb8442
• https://git.kernel.org/stable/c/cfd6824dd1d151ab3abc00117b3774c8056006e0

• Incomplete cleanup in Linux kernel realtek rtlwifi driver
• Debian update for linux
• Ubuntu update for linux-azure-fde
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more
• Ubuntu update for linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx
• Ubuntu update for linux, linux-aws, linux-aws-5.15 and more