Memory leak in Linux kernel - CVE-2026-90253
Published: September 18, 2026
Vulnerability identifier: #VU151231
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90253
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource cleanup in the Bluetooth MGMT mesh send cancel command handler when a pending mesh send cancel command is cancelled. A local user can cause a pending mesh send cancel command to be cancelled to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-90253
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/05438d338a875a9daa08ca3f6a35b4480cf13de4
- https://git.kernel.org/stable/c/3c742feda8fcabf741a17bcf668b63c8f606f9c5
- https://git.kernel.org/stable/c/416fabca9b7237b76aa9cafcf8c497b8ac00d88c
- https://git.kernel.org/stable/c/88e30d036d777b00aed42bd35000de23ff40910c
- https://git.kernel.org/stable/c/b609341ee56967d9a45845ff26f79336d2114b55
- https://git.kernel.org/stable/c/fa46d428c014e7b72a18634679815670418e67dc