#VU112115 Use-after-free in Linux kernel - CVE-2025-38087

Vulnerability identifier: #VU112115

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38087

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the taprio_dev_notifier() function in net/sched/sch_taprio.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/8a008c89e5e5c5332e4c0a33d707db9ddd529f8a
https://git.kernel.org/stable/c/8c5713ce1ced75f9e9ed5c642ea3d2ba06ead69c
https://git.kernel.org/stable/c/b1547d28ba468bc3b88764efd13e4319bab63be8
https://git.kernel.org/stable/c/b160766e26d4e2e2d6fe2294e0b02f92baefcec5

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?