#VU112116 Out-of-bounds read in Linux kernel - CVE-2025-38088

Vulnerability identifier: #VU112116

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38088

CWE-ID: CWE-125

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 perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the memtrace_read() function in arch/powerpc/platforms/powernv/memtrace.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/620b77b23c41a6546e5548ffe2ea3ad71880dde4
https://git.kernel.org/stable/c/81260c41b518b6f32c701425f1427562fa92f293
https://git.kernel.org/stable/c/8635e325b85dfb9ddebdfaa6b5605d40d16cd147
https://git.kernel.org/stable/c/9c340b56d60545e4a159e41523dd8b23f81d3261
https://git.kernel.org/stable/c/bbd5a9ddb0f9750783a48a871c9e12c0b68c5f39
https://git.kernel.org/stable/c/cd097df4596f3a1e9d75eb8520162de1eb8485b2

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?