CVE-2022-49457

一、漏洞信息
漏洞编号：CVE-2022-49457
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：5.5 Medium
Vector：CVSS：3.0/AV:L/AC:L/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:ARM: versatile: Add missing of_node_put in dcscb_initThe device_node pointer is returned by of_find_compatible_nodewith refcount incremented. We should use of_node_put() to avoidthe refcount leak.
漏洞公开时间：2025-02-26 15:01:22
漏洞创建时间：2025-02-26 14:16:32
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2022-49457

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/23b44f9c649bbef10b45fa33080cd8b4166800ae
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2d7b23db35254b7d46e852967090c64cdccf24da
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3c6006faed9aba5144b33176d061031a9be66954
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/83c329b980bddbc8c6a3d287d91f2103a4d4a860
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a0fc05cd17617e63fc13ad0c01f3f0afd890d8ec
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bbdfb7d4f036118d36415a2575efa6f5246505ae
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d146e2a9864ade19914494de3fb520390b415d58
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d6de7b181c29cd4578ec139aafb5eac062abbe1b
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fcd1999ba97445a12cc394f5f42ffd9116bf0185
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-49457	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-49457.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/2d7b23db35254b7d46e852967090c64cdccf24da	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/bbdfb7d4f036118d36415a2575efa6f5246505ae	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/a0fc05cd17617e63fc13ad0c01f3f0afd890d8ec	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/fcd1999ba97445a12cc394f5f42ffd9116bf0185	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/d146e2a9864ade19914494de3fb520390b415d58	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/83c329b980bddbc8c6a3d287d91f2103a4d4a860	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/3c6006faed9aba5144b33176d061031a9be66954	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/d6de7b181c29cd4578ec139aafb5eac062abbe1b	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://git.kernel.org/stable/c/23b44f9c649bbef10b45fa33080cd8b4166800ae	https://bugzilla.suse.com/show_bug.cgi?id=1238947
suse_bugzilla	https://bugzilla.redhat.com/show_bug.cgi?id=2347963	https://bugzilla.suse.com/show_bug.cgi?id=1238947
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2025022600-CVE-2022-49457-0a07@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2347963
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2025022600-CVE-2022-49457-0a07@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2347963

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/23b44f9c649bbef10b45fa33080cd8b4166800ae		nvd
		https://git.kernel.org/stable/c/2d7b23db35254b7d46e852967090c64cdccf24da		nvd
		https://git.kernel.org/stable/c/3c6006faed9aba5144b33176d061031a9be66954		nvd
		https://git.kernel.org/stable/c/83c329b980bddbc8c6a3d287d91f2103a4d4a860		nvd
		https://git.kernel.org/stable/c/a0fc05cd17617e63fc13ad0c01f3f0afd890d8ec		nvd
		https://git.kernel.org/stable/c/bbdfb7d4f036118d36415a2575efa6f5246505ae		nvd
		https://git.kernel.org/stable/c/d146e2a9864ade19914494de3fb520390b415d58		nvd
		https://git.kernel.org/stable/c/d6de7b181c29cd4578ec139aafb5eac062abbe1b		nvd
		https://git.kernel.org/stable/c/fcd1999ba97445a12cc394f5f42ffd9116bf0185		nvd

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:ARM: versatile: Add missing of_node_put in dcscb_initThe device_node pointer is returned by of_find_compatible_nodewith refcount incremented. We should use of_node_put() to avoidthe refcount leak.
openEuler评分：
5.5
Vector：CVSS：3.0/AV:L/AC:L/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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1370

@yangyingliang ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 ,@gasonchen 
**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

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.

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2022-49457
https://ubuntu.com/security/CVE-2022-49457
https://www.opencve.io/cve/CVE-2022-49457	None	None	https://git.kernel.org/stable/c/3c6006faed9aba5144b33176d061031a9be66954 https://git.kernel.org/stable/c/23b44f9c649bbef10b45fa33080cd8b4166800ae https://git.kernel.org/stable/c/83c329b980bddbc8c6a3d287d91f2103a4d4a860 https://git.kernel.org/stable/c/d146e2a9864ade19914494de3fb520390b415d58 https://git.kernel.org/stable/c/bbdfb7d4f036118d36415a2575efa6f5246505ae https://git.kernel.org/stable/c/a0fc05cd17617e63fc13ad0c01f3f0afd890d8ec https://git.kernel.org/stable/c/2d7b23db35254b7d46e852967090c64cdccf24da https://git.kernel.org/stable/c/d6de7b181c29cd4578ec139aafb5eac062abbe1b https://git.kernel.org/stable/c/fcd1999ba97445a12cc394f5f42ffd9116bf0185
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-49457
https://security-tracker.debian.org/tracker/CVE-2022-49457
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2022-49457

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-2022-49457

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

ARM: versatile: Add missing of_node_put in dcscb_init

The device_node pointer is returned by of_find_compatible_node
with refcount incremented. We should use of_node_put() to avoid
the refcount leak.

openEuler评分:(评分和向量)
3.9
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

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

CVE-2022-49457

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

ARM: versatile: Add missing of_node_put in dcscb_init

The device_node pointer is returned by of_find_compatible_node
with refcount incremented. We should use of_node_put() to avoid
the refcount leak.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/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:ARM: versatile: Add missing of_node_put in dcscb_initThe device_node pointer is returned by of_find_compatible_nodewith refcount incremented. We should use of_node_put() to avoidthe refcount leak.|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:L/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.**

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