CVE-2022-23960

一、漏洞信息
 漏洞编号：[CVE-2022-23960](https://nvd.nist.gov/vuln/detail/CVE-2022-23960)
 漏洞归属组件：[arm-trusted-firmware](https://gitee.com/src-openeuler/arm-trusted-firmware)
 漏洞归属的版本：2.3
 CVSS V3.0分值：
  BaseScore：5.6 Medium
  Vector：CVSS：3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
 漏洞简述：
  Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.
 漏洞公开时间：2022-03-13 08:15
 漏洞创建时间：2022-03-23 07:27:07
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-23960
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| CONFIRM | https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability |  |
| MISC | https://developer.arm.com/support/arm-security-updates |  |
| MLIST | http://www.openwall.com/lists/oss-security/2022/03/18/2 |  |
| MLIST | https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html |  |
| DEBIAN | https://www.debian.org/security/2022/dsa-5173 |  |
| nvd | https://access.redhat.com/security/cve/CVE-2022-23960 |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960 |  |
| ubuntu | https://www.vusec.net/projects/bhi-spectre-bhb/ |  |
| ubuntu | https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhb |  |
| ubuntu | https://developer.arm.com/documentation/ka004995/latest/ |  |
| ubuntu | https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/BHI |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5317-1 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5318-1 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5362-1 |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-23960 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-23960 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-23960 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2022-23960 |  |
| oracle | https://www.oracle.com/security-alerts/linuxbulletinapr2022.html |  |

</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>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
| linux_kernel | 4.14.271 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=2d44960d3edf9994998ff798ef618e666c4f0143 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 4.19.234 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=dc64af755099d1e51fd64e99fe3a59b75595814a | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 4.9.306 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=b24d4041cfb6dab83f9edf40573375bd1365e619 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.10.105 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=b7f1e73c4ddf2044530091e69114a5fc1a1229d0 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.15.28 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f02cab2bed1a3493a230e54d83ff117bc59f480e | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.16.14 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f5eb0f1dcde4b7c2b5ee920ae53bcecaaba03947 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.4.184 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=fdfc0baf829dfb306a1ec45900d2cfbee265ae60 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  排查到上游相关补丁，从2.8版本已合入，目前仅20.03低于2.8版本受影响，其他分支不受影响
 openEuler评分：
  5.6
 Vector：CVSS：3.0/AV:L/AC:H/PR:L/UI:N/S:C/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-SP4(1.6):受影响
2.master(2.12.1):不受影响
3.openEuler-22.03-LTS-SP3(2.12.1):不受影响
4.openEuler-22.03-LTS-SP4(2.12.1):不受影响
5.openEuler-24.03-LTS(2.12.1):不受影响
6.openEuler-24.03-LTS-Next(2.12.1):不受影响
7.openEuler-24.03-LTS-SP1(2.12.1):不受影响

修复是否涉及abi变化(是/否)：
  1.master(2.12.1):否
2.openEuler-20.03-LTS-SP4(1.6):否
3.openEuler-22.03-LTS-SP3(2.12.1):否
4.openEuler-22.03-LTS-SP4(2.12.1):否
5.openEuler-24.03-LTS(2.12.1):否
6.openEuler-24.03-LTS-Next(2.12.1):否
7.openEuler-24.03-LTS-SP1(2.12.1):否

原因说明：
  1.openEuler-20.03-LTS-SP4(1.6):暂不修复-待升级版本修复
2.master(2.12.1):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3(2.12.1):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP4(2.12.1):不受影响-漏洞代码不存在
5.openEuler-24.03-LTS(2.12.1):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS-Next(2.12.1):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-SP1(2.12.1):不受影响-漏洞代码不存在

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