#VU112820 Integer overflow in Linux kernel - CVE-2025-38339
Published: July 11, 2025
Vulnerability identifier: #VU112820
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-2025-38339
CWE-ID: CWE-190
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 execute arbitrary code.
The vulnerability exists due to integer overflow within the bpf_jit_emit_func_call_rel() and bpf_jit_build_body() functions in arch/powerpc/net/bpf_jit_comp64.c, within the bpf_jit_build_body() function in arch/powerpc/net/bpf_jit_comp32.c, within the invoke_bpf_prog(), __arch_prepare_bpf_trampoline() and arch_bpf_trampoline_size() functions in arch/powerpc/net/bpf_jit_comp.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's repository.