Answer in brief
CVE-2025-71119 records a Unknown severity vulnerability in powerpc/kexec: Enable SMT before waking offline CPUs. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=482fa21635c8832db022cd2d649db26b8e6170ac <7cccd82a0e4aad192fd74fc60e61ed9aed5857a3 || >=38253464bc821d6de6bba81bb1412ebb36f6cbd1 <d790ef0c4819424ee0c2f448c0a8154c5ca369d1 || >=38253464bc821d6de6bba81bb1412ebb36f6cbd1 <f0c0a681ffb77b8c5290c88c02d968199663939b || >=38253464bc821d6de6bba81bb1412ebb36f6cbd1 <0d5c9e901ad40bd39b38e119c0454b52d7663930 || >=38253464bc821d6de6bba81bb1412ebb36f6cbd1 <c2296a1e42418556efbeb5636c4fa6aa6106713a || 15141adf85b14a7cff7abba1cb983f0bf17e3b36 || >=6.1.72 <6.1.160 || >=6.5.12 <6.6 | 7cccd82a0e4aad192fd74fc60e61ed9aed5857a3, d790ef0c4819424ee0c2f448c0a8154c5ca369d1, f0c0a681ffb77b8c5290c88c02d968199663939b, 0d5c9e901ad40bd39b38e119c0454b52d7663930, c2296a1e42418556efbeb5636c4fa6aa6106713a, 6.1.160, 6.6 |
| Linux/Linuxgeneric | 6.6 | Not reported |
Published upstream
Jan 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec: Enable SMT before waking offline CPUs If SMT is disabled or a partial SMT state is enabled, when a new kernel image is loaded for kexec, on reboot the following warning is observed: kexec: Waking offline cpu 228. WARNING: CPU: 0 PID: 9062 at arch/powerpc/kexec/core_64.c:223 kexec_prepare_cpus+0x1b0/0x1bc [snip] NIP kexec_prepare_cpus+0x1b0/0x1bc LR kexec_prepare_cpus+0x1a0/0x1bc Call Trace: kexec_prepare_cpus+0x1a0/0x1bc (unreliable) default_machine_kexec+0x160/0x19c machine_kexec+0x80/0x88 kernel_kexec+0xd0/0x118 __do_sys_reboot+0x210/0x2c4 system_call_exception+0x124/0x320 system_call_vectored_common+0x15c/0x2ec This occurs as add_cpu() fails due to cpu_bootable() returning false for CPUs that fail the cpu_smt_thread_allowed() check or non primary threads if SMT is disabled. Fix the issue by enabling SMT and resetting the number of SMT threads to the number of threads per core, before attempting to wake up all present CPUs.
Quoted source text, attributed separately from HOL analysis.