CVE-2023-38427

一、漏洞信息
漏洞编号：CVE-2023-38427
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0
CVSS V3.0分值：
BaseScore：9.8 Critical
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
漏洞简述：
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.
漏洞公开时间：2023-07-18 08:15:00
漏洞创建时间：2023-07-18 08:35:37
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-38427

更多参考(点击展开)

参考来源	参考链接	来源链接
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-38427	https://bugzilla.suse.com/show_bug.cgi?id=1213422
suse_bugzilla	https://www.cve.org/CVERecord?id=CVE-2023-38427	https://bugzilla.suse.com/show_bug.cgi?id=1213422
suse_bugzilla	https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8	https://bugzilla.suse.com/show_bug.cgi?id=1213422
suse_bugzilla	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b	https://bugzilla.suse.com/show_bug.cgi?id=1213422
debian		https://security-tracker.debian.org/tracker/CVE-2023-38427
cve_search		https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b
cve_search		https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8

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：

详情(点击展开)

影响的包	修复版本	修复补丁	问题引入补丁	来源
linux_kernel	6.1.34	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=bf12d7fb63b365fb766655cedcb5d5f292b0c35e	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0626e6641f6b467447c81dd7678a69c66f7746cf	linuxkernelcves
linux_kernel	6.3.8	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=205279b96b5c40c60c6de4f9342416e02ee279f1	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0626e6641f6b467447c81dd7678a69c66f7746cf	linuxkernelcves
linux_kernel	6.1.34	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=bf12d7fb63b365fb766655cedcb5d5f292b0c35e		linuxkernelcves
linux_kernel	6.3.8	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=205279b96b5c40c60c6de4f9342416e02ee279f1		linuxkernelcves

二、漏洞分析结构反馈
影响性分析说明：
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.
openEuler评分：
9.8
Vector：CVSS：3.0/AV:N/AC:L/PR:N/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-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP2:受影响
4.openEuler-20.03-LTS-SP1(4.19.90):不受影响
5.openEuler-20.03-LTS-SP3:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP3:否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2023-1496

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

@yangyingliang ,@gatieme ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:
5.openEuler-22.03-LTS-SP2:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:
5.openEuler-22.03-LTS-SP2:

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2023-38427	None	None	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs
https://ubuntu.com/security/CVE-2023-38427	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-38427
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-38427
https://security-tracker.debian.org/tracker/CVE-2023-38427
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2023-38427

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-2023-38427
I7LU2Q

影响性分析说明：
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.

openEuler评分:(评分和向量)
9.8
CVSS：3.0/AV:N/AC:L/PR:N/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-20.03-LTS-SP1(4.19.90):不受影响
2.openEuler-20.03-LTS-SP3(4.19.90):不受影响
3.openEuler-22.03-LTS:受影响
4.openEuler-22.03-LTS-SP1:受影响
5.openEuler-22.03-LTS-SP2:受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP3(4.19.90):否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否

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