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