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一、漏洞信息
漏洞编号：CVE-2023-2194
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8
CVSS V3.0分值：
BaseScore：6.7 Medium
Vector：CVSS：3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
漏洞简述：
An out-of-bounds write vulnerability was found in the Linux kernel s SLIMpro I2C device driver. The userspace data->block[0] variable was not capped to a number between 0-255 and was used as the size of a memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.
漏洞公开时间：2023-04-21 05:15:00
漏洞创建时间：2023-04-21 00:31:34
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-2194
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:
openBrain开源漏洞感知系统
漏洞补丁信息：
二、漏洞分析结构反馈
影响性分析说明：
An out-of-bounds write vulnerability was found in the Linux kernel s SLIMpro I2C device driver. The userspace data->block[0] variable was not capped to a number between 0-255 and was usedas the size of a memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.
openEuler评分：
6.7
Vector：CVSS：3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
受影响版本排查(受影响/不受影响)：
1.openEuler-22.03-LTS:受影响
2.openEuler-20.03-LTS-SP1(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
4.openEuler-22.03-LTS-SP1:受影响
修复是否涉及abi变化(是/否)：
1.openEuler-22.03-LTS:否
2.openEuler-20.03-LTS-SP1(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
4.openEuler-22.03-LTS-SP1:否
三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2023-1277
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| 参考网址 | 关联pr | 状态 | 补丁链接 |
|---|---|---|---|
| https://nvd.nist.gov/vuln/detail/CVE-2023-2194 | |||
| https://ubuntu.com/security/CVE-2023-2194 | None | None | https://discourse.ubuntu.com/c/ubuntu-pro |
| https://www.opencve.io/cve/CVE-2023-2194 | |||
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-2194 | None | None | https://github.com/torvalds/linux/commit/92fbb6d1296f |
| https://security-tracker.debian.org/tracker/CVE-2023-2194 | |||
| http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2023-2194 |
说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址 补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1
CVE-2023-2194
I6XHPL
影响性分析说明：
An out-of-bounds write vulnerability was found in the Linux kernel s SLIMpro I2C device driver.
The userspace data->block[0] variable was not capped to a number between 0-255 and was used
as the size of a memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a
local privileged user to crash the system or potentially achieve code execution.
openEuler评分:(评分和向量)
6.7
CVSS：3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-22.03-LTS(5.10.0):受影响
2.openEuler-20.03-LTS-SP1(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.194):受影响
4.openEuler-22.03-LTS-SP1:受影响
修复是否涉及abi变化(是/否)：
1.openEuler-22.03-LTS(5.10.0):否
2.openEuler-20.03-LTS-SP1(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.194):否
4.openEuler-22.03-LTS-SP1:否
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