CVE-2020-25645

一、漏洞信息
 漏洞编号：[CVE-2020-25645](https://nvd.nist.gov/vuln/detail/CVE-2020-25645)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.138,4.19.90
 CVSS V3.0分值：
  BaseScore：7.5 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
 漏洞简述：
  A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.
 漏洞公开时间：2020-10-14 04:15
 漏洞创建时间：2020-11-06 18:40:28
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2020-25645
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| lists | http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html |  |
| lists |  http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html |  |
| packetstormsecurity |  http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html |  |
| bugzilla |  https://bugzilla.redhat.com/show_bug.cgi?id=1883988 |  |
| lists |  https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html |  |
| lists |  https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html |  |
| security |  https://security.netapp.com/advisory/ntap-20201103-0004/ |  |
| debian |  https://www.debian.org/security/2020/dsa-4774 |  |

</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：
      IPsec对于geneve协议设置失效，已经修复  
 openEuler评分：
  7.5
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS(4.19.90):受影响
2.openEuler-20.09(4.19.140):受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP1(4.19.90):

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2020-1104

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