SB2025071174 - Integer overflow in Linux kernel powerpc net
Published: July 11, 2025
Security Bulletin ID
SB2025071174
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2025-38339)
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 website.