#VU108790 Use-after-free in Linux kernel - CVE-2025-37834

Vulnerability identifier: #VU108790

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-2025-37834

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 mm/vmscan.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.14, 6.14.1, 6.14.2, 6.14.3, 6.14.4

---

External links
https://git.kernel.org/stable/c/1b0449544c6482179ac84530b61fc192a6527bfd
https://git.kernel.org/stable/c/1c9798bf8145a92abf45aa9d38a6406d9eb8bdf0
https://git.kernel.org/stable/c/912e9f0300c3564b72a8808db406e313193a37ad
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.5

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.