Memory leak in Linux kernel - CVE-2026-90213
Published: September 19, 2026
Vulnerability identifier: #VU151271
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90213
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a memory leak.
The vulnerability exists due to improper resource cleanup in the FireWire core build_tree() function when processing an invalid self ID sequence. A remote attacker can cause processing of an invalid self ID sequence to cause a memory leak.
Affected software
Linux kernel
How to mitigate CVE-2026-90213
Install security update from vendor's repository.