# 查询安全更新
命令格式：yum updateinfo \<command\> \[option\]
- 执行**yum updateinfo** 命令，查询全部可用的安全更新信息。
  ```
  [root@localhost ~]# yum updateinfo
  Last metadata expiration check: 0:03:05 ago on Thu 08 Sep 2022 05:30:23 PM CST.
  Updates Information Summary: available
  12 Security notice(s)
  4 Critical Security notice(s)
  6 Important Security notice(s)
  2 Moderate Security notice(s)
  ```
  
- \<command\>的主要参数。
  - list：查询当前可用的安全更新列表。
    ```
    [root@localhost ~]# yum updateinfo list
    Last metadata expiration check: 0:03:32 ago on Thu 08 Sep 2022 05:30:23 PM CST.
    HCE2-SA-2022-0006 Critical/Sec.  curl-7.79.1-2.h6.hce2.x86_64
    HCE2-SA-2022-0011 Moderate/Sec.  gnupg2-2.2.32-1.h6.hce2.x86_64
    HCE2-SA-2022-0002 Important/Sec. kernel-5.10.0-60.18.0.50.h425_2.hce2.x86_64
    ```
    
  
  - info \<SA ID\>：查询指定SA ID的安全更新详情。
    ```
    [root@localhost ~]# yum updateinfo info HCE2-SA-2024-0262
    Last metadata expiration check: 0:01:07 ago on Wed 26 Mar 2025 11:08:19 AM CST.
    ===============================================================================
      An update for wget is now available for HCE 2.0
    ===============================================================================
      Update ID: HCE2-SA-2024-0262
           Type: security
        Updated: 2024-09-23 18:09:48
           CVEs: CVE-2024-38428
    Description: Security Fix(es):
               : 
               : url.c in GNU Wget through 1.24.5 mishandles semicolons in the userinfo subcomponent of a URI, and thus there may be insecure behavior in which data that was supposed to be in the userinfo subcomponent is misinterpreted to be part of the host subcomponent. (CVE-2024-38428)
       Severity: Critical
    ```
    
   

- \[option\]的主要参数。
  - --sec-severity={Critical,Important,Moderate,Low}：指定安全更新级别，{}中的安全更新等级参数可任意组合。 例如，使用--sec-severity=Critical查询某个安全更新级别。
    ```
    [root@localhost ~]# yum updateinfo list --sec-severity=Critical
    Last metadata expiration check: 0:10:15 ago on Thu 08 Sep 2022 05:30:23 PM CST.
    HCE2-SA-2022-0006 Critical/Sec. curl-7.79.1-2.h6.hce2.x86_64
    HCE2-SA-2022-0003 Critical/Sec. libarchive-3.5.2-1.h2.hce2.x86_64
    HCE2-SA-2022-0006 Critical/Sec. libcurl-7.79.1-2.h6.hce2.x86_64
    ……
    ```
    例如，使用--sec-severity={Critical,Moderate}查询多个安全更新级别。
    ```
    [root@localhost ~]# yum updateinfo list --sec-severity={Critical,Moderate}
    Last metadata expiration check: 0:11:07 ago on Thu 08 Sep 2022 05:30:23 PM CST.
    HCE2-SA-2022-0006 Critical/Sec. curl-7.79.1-2.h6.hce2.x86_64
    HCE2-SA-2022-0011 Moderate/Sec. gnupg2-2.2.32-1.h6.hce2.x86_64
    HCE2-SA-2022-0003 Critical/Sec. libarchive-3.5.2-1.h2.hce2.x86_64
    ……
    ```
    
  
  - --cve=\<CVE ID\>：查询指定的CVE ID。
    ```
    [root@localhost ~]# yum updateinfo info --cve=CVE-2024-38428
    Last metadata expiration check: 0:11:10 ago on Wed 26 Mar 2025 11:08:19 AM CST.
    ===============================================================================
      An update for wget is now available for HCE 2.0
    ===============================================================================
      Update ID: HCE2-SA-2024-0262
           Type: security
        Updated: 2024-09-23 18:09:48
           CVEs: CVE-2024-38428
    Description: Security Fix(es):
               : 
               : url.c in GNU Wget through 1.24.5 mishandles semicolons in the userinfo subcomponent of a URI, and thus there may be insecure behavior in which data that was supposed to be in the userinfo subcomponent is misinterpreted to be part of the host subcomponent. (CVE-2024-38428)
       Severity: Critical
    ```
    
   
![](https://support.huaweicloud.com/usermanual-hce/public_sys-resources/note_3.0-zh-cn.png)
更多详细信息，请使用**yum updateinfo --help**获取帮助信息。