Improper handling of exceptional conditions in Linux kernel - CVE-2026-90290

Vulnerability identifier: #VU151187

CSH Severity: Low

CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-90290

CWE-ID: CWE-755

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local privileged user to cause a denial of service.

The vulnerability exists due to improper handling of exceptional conditions in swsusp_arch_suspend() when handling a failure from swsusp_mte_save_tags(). A local privileged user can trigger the hibernation error path to cause a denial of service.

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/2c941f383a53e188cd6fe3a129eb9b52b298e683
• https://git.kernel.org/stable/c/519e7de2c4c7b92ef57d4404b7e564aa9be24143
• https://git.kernel.org/stable/c/541549827889d0380fd73f8aacb5de6ef7a5a1ac
• https://git.kernel.org/stable/c/77053624d03359a4e2ec47d7106639ec9a498c2b
• https://git.kernel.org/stable/c/ad3839fe2114bb092846df79edd8d119e148b8c3
• https://git.kernel.org/stable/c/c8c6835f62a7f9fc68865e85397d13a2dc9210fb
• https://git.kernel.org/stable/c/cb51a05498e755d900900ff4b8503b4da4325996
• https://git.kernel.org/stable/c/f5693dfaf28d66e7e880feafd1778d3715869efc

• Improper handling of exceptional conditions in Linux kernel arm64 kernel
• 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