#VU109504 Use-after-free in Linux kernel - CVE-2025-37915
Published: May 20, 2025 / Updated: May 21, 2025
Vulnerability identifier: #VU109504
Vulnerability risk: Low
CVSSv4.0: 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-2025-37915
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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 cl_is_active() and drr_enqueue() functions in net/sched/sch_drr.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/26e75716b94d6ff9be5ea07d63675c4d189f30b4
- https://git.kernel.org/stable/c/2968632880f1792007eedd12eeedf7f6e2b7e9f3
- https://git.kernel.org/stable/c/4f0ecf50cdf76da95828578a92f130b653ac2fcf
- https://git.kernel.org/stable/c/ab2248110738d4429668140ad22f530a9ee730e1
- https://git.kernel.org/stable/c/db205b92dfe0501e5b92fb7cf00971d0e44ba3eb
- https://git.kernel.org/stable/c/f99a3fbf023e20b626be4b0f042463d598050c9a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.182
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.138
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.90