CVE-2022-49572

一、漏洞信息
漏洞编号：CVE-2022-49572
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.1.8,6.4.0,6.6.0
CVSS V3.0分值：
BaseScore：4.7 Medium
Vector：CVSS：3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.While reading sysctl_tcp_slow_start_after_idle, it can be changedconcurrently. Thus, we need to add READ_ONCE() to its readers.
漏洞公开时间：2025-02-26 15:01:32
漏洞创建时间：2025-02-26 17:06:41
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2022-49572

更多参考(点击展开)

参考来源	参考链接	来源链接
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0e3f82a03ec8c3808e87283e12946227415706c9
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/369d99c2b89f54473adcf9acdf40ea562b5a6e0e
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3b26e11b07a09b31247688bec61e2925d4a571b6
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/41aeba4506f6b70ec7500c6fe202731a4ba29fe5
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4845b5713ab18a1bb6e31d1fbb4d600240b8b691
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/68b6f9506747d507c7bfa374d178929b4157e8c6
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-49572	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-49572.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/3b26e11b07a09b31247688bec61e2925d4a571b6	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/369d99c2b89f54473adcf9acdf40ea562b5a6e0e	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/0e3f82a03ec8c3808e87283e12946227415706c9	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/41aeba4506f6b70ec7500c6fe202731a4ba29fe5	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/68b6f9506747d507c7bfa374d178929b4157e8c6	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://git.kernel.org/stable/c/4845b5713ab18a1bb6e31d1fbb4d600240b8b691	https://bugzilla.suse.com/show_bug.cgi?id=1238548
suse_bugzilla	https://bugzilla.redhat.com/show_bug.cgi?id=2348047	https://bugzilla.suse.com/show_bug.cgi?id=1238548
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49572-51d7@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2348047

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
		https://git.kernel.org/stable/c/0e3f82a03ec8c3808e87283e12946227415706c9		nvd
		https://git.kernel.org/stable/c/369d99c2b89f54473adcf9acdf40ea562b5a6e0e		nvd
		https://git.kernel.org/stable/c/3b26e11b07a09b31247688bec61e2925d4a571b6		nvd
		https://git.kernel.org/stable/c/41aeba4506f6b70ec7500c6fe202731a4ba29fe5		nvd
		https://git.kernel.org/stable/c/4845b5713ab18a1bb6e31d1fbb4d600240b8b691		nvd
		https://git.kernel.org/stable/c/68b6f9506747d507c7bfa374d178929b4157e8c6		nvd
linux_kernel	4.19.254	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3b26e11b07a09b31247688bec61e2925d4a571b6Issue	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves
linux_kernel	5.4.208	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=369d99c2b89f54473adcf9acdf40ea562b5a6e0eIssue	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves
linux_kernel	5.10.134	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0e3f82a03ec8c3808e87283e12946227415706c9Issue	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves
linux_kernel	5.15.58	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=41aeba4506f6b70ec7500c6fe202731a4ba29fe5Issue	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves
linux_kernel	5.18.15	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=68b6f9506747d507c7bfa374d178929b4157e8c6Issue	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves
linux_kernel	5.19	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4845b5713ab18a1bb6e31d1fbb4d600240b8b691Please	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=35089bb203f44e33b6bbb6c4de0b0708f9a48921	linuxkernelcves

二、漏洞分析结构反馈
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.While reading sysctl_tcp_slow_start_after_idle, it can be changedconcurrently. Thus, we need to add READ_ONCE() to its readers.
openEuler评分：
4.7
Vector：CVSS：3.0/AV:L/AC:H/PR:L/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-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):不受影响
3.openEuler-22.03-LTS-SP4(5.10.0):不受影响
4.master(6.6.0):不受影响
5.openEuler-24.03-LTS(6.6.0):不受影响
6.openEuler-24.03-LTS-Next(6.6.0):不受影响
7.openEuler-24.03-LTS-SP1(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP3(5.10.0):否
3.master(6.6.0):否
4.openEuler-24.03-LTS(6.6.0):否
5.openEuler-24.03-LTS-Next(6.6.0):否
6.openEuler-22.03-LTS-SP4(5.10.0):否
7.openEuler-24.03-LTS-SP1(6.6.0):否

原因说明：
1.openEuler-20.03-LTS-SP4(4.19.90):正常修复
2.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
3.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-SP1(6.6.0):不受影响-漏洞代码不存在

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.

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**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), 原因说明)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.master:
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):

修复是否涉及abi变化(是/否)：
1.master:
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):

原因说明：
1.master:
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):

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-2022-49572
https://ubuntu.com/security/CVE-2022-49572	None	None	https://discourse.ubuntu.com/c/project
https://www.opencve.io/cve/CVE-2022-49572
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-49572
https://security-tracker.debian.org/tracker/CVE-2022-49572	None	None	https://git.kernel.org/linus/4845b5713ab18a1bb6e31d1fbb4d600240b8b691
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2022-49572

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-2022-49572

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.

While reading sysctl_tcp_slow_start_after_idle, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.

openEuler评分:(评分和向量)
4.7
CVSS:3.1/AV:L/AC:H/PR:L/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-SP4:受影响
2.openEuler-22.03-LTS-SP3:不受影响
3.openEuler-22.03-LTS-SP4:不受影响
4.master(6.6.0):不受影响
5.openEuler-24.03-LTS:不受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:不受影响

原因说明:
1.openEuler-20.03-LTS-SP4:正常修复
2.openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在
4.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
5.openEuler-24.03-LTS:不受影响-漏洞代码不存在
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP3:否
3.master(23.08.5):否
4.openEuler-24.03-LTS:否
5.openEuler-24.03-LTS-Next:否
6.openEuler-22.03-LTS-SP4:否
7.openEuler-24.03-LTS-SP1:否

===========================================================

@sanglipeng 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 分析项目 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.While reading sysctl_tcp_slow_start_after_idle, it can be changedconcurrently.  Thus, we need to add READ_ONCE() to its readers.|
|已分析|2.openEulerScore|4.7|
|已分析|3.openEulerVector|AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H|
|已分析|4.受影响版本排查|openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:不受影响|
|已分析|5.是否涉及abi变化|openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-SP1:否|
|已分析|6.原因说明|openEuler-20.03-LTS-SP4:正常修复,master:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在,openEuler-24.03-LTS:不受影响-漏洞代码不存在,openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在|

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**

CVE-2022-49572

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.

While reading sysctl_tcp_slow_start_after_idle, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.

openEuler评分:(评分和向量)
4.7
CVSS:3.1/AV:L/AC:H/PR:L/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.master(6.1.0):不受影响
2.openEuler-20.03-LTS-SP4:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.openEuler-24.03-LTS:不受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:不受影响

修复是否涉及abi变化(是/否)：
1.master(6.1.0):否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否

原因说明：
1.master(23.08.5):不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:正常修复
4.openEuler-22.03-LTS-SP3:不受影响-漏洞代码不能被攻击者触发
5.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不能被攻击者触发
6.openEuler-24.03-LTS:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
8.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不能被攻击者触发

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