CVE-2021-46664

一、漏洞信息
 漏洞编号：[CVE-2021-46664](https://nvd.nist.gov/vuln/detail/CVE-2021-46664)
 漏洞归属组件：[mariadb](https://gitee.com/src-openeuler/mariadb)
 漏洞归属的版本：10.3.9,10.5.10
 CVSS V3.0分值：
  BaseScore：7.5 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  MariaDB through 10.5.9 allows an application crash in sub_select_postjoin_aggr for a NULL value of aggr.
 漏洞公开时间：2022-02-01 10:15
 漏洞创建时间：2022-02-04 07:00:22
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-46664
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| MISC | https://jira.mariadb.org/browse/MDEV-25761 |  |
| CONFIRM | https://security.netapp.com/advisory/ntap-20220221-0002/ |  |
| CONFIRM | https://mariadb.com/kb/en/security/ |  |
| FEDORA | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/ |  |
| FEDORA | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/ |  |
| FEDORA | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/ |  |
| redhat | https://access.redhat.com/security/cve/CVE-2021-46664 |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46664 |  |
| ubuntu | https://jira.mariadb.org/browse/MDEV-25761 |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-46664 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-46664 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-46664 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2021-46664 |  |
| CONFIRM | https://mariadb.com/kb/en/security/ |  |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  其它
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</details>

二、漏洞分析结构反馈
 影响性分析说明：
                      在mariadb 10.5.X版本中sub_select_postjoin_aggr函数中，当aggr为null时，这会引起服务宕机/操作/事务crash。但是该bug为大范围JIRA影响，由MDEV-25636整体修复多个CVE问题。          
 openEuler评分：
  7.5
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS(10.3.9):受影响
2.openEuler-20.03-LTS-SP1(10.3.35):受影响
3.openEuler-20.03-LTS-SP2(10.3.35):受影响
4.openEuler-20.03-LTS-SP3(10.3.35):受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS(10.3.9):否
2.openEuler-20.03-LTS-SP1(10.3.35):否
3.openEuler-20.03-LTS-SP2(10.3.35):否
4.openEuler-20.03-LTS-SP3(10.3.35):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2022-1587

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