From bf35ca1d06f748d9255fa939ee69b411aaf0131e Mon Sep 17 00:00:00 2001
From: peijiankang <peijiankang@kylinos.cn>
Date: Wed, 24 Apr 2024 10:52:48 +0800
Subject: [PATCH] CVE-2023-2091

---
 kyasDbus/systemdaemon/kacpufm.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/kyasDbus/systemdaemon/kacpufm.py b/kyasDbus/systemdaemon/kacpufm.py
index f6b5883..8e39321 100644
--- a/kyasDbus/systemdaemon/kacpufm.py
+++ b/kyasDbus/systemdaemon/kacpufm.py
@@ -153,6 +153,18 @@ class KACpuFM(dbus.service.Object):
         origin = {Cpufm_Average_Corefreq:""}
 
         if(not os.path.exists("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq")):
+            # 存在机型没有开启动态调频，默认为cpu频率方案移植
+            if(os.path.exists("/proc/cpuinfo")):
+                args = ["cat /proc/cpuinfo | grep -i 'cpu MHz'"]
+                pipe = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE , shell=True)
+                output = pipe.stdout.readlines()
+
+                cpuFreq = ""
+                if len(output) != 0:
+                    cpuFreq = bytes.decode(output[0],"utf-8","ignore")
+                    if "cpu mhz" in cpuFreq.lower():
+                       cpuFreq = cpuFreq.split(":")[-1].strip()
+                       origin[Cpufm_Average_Corefreq] = self.num_convert(str(int(float(cpuFreq)*1000)));
             return origin
 
         v = 0 
-- 
2.43.0