CVE-2026-90403 Linux Kernel - Resource Cleanup Error

Linux kernel contains a resource cleanup error in rtl_pci_probe() of rtlwifi PCI driver, caused by incorrect goto label skipping cleanup functions, letting attackers potentially cause resource leaks or instability, exploit requires triggering device initialization.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Resource Cleanup Error
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix for rtl_pci_probe() error path.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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