CVE-2022-48636

一、漏洞信息
漏洞编号：CVE-2022-48636
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
CVSS V3.0分值：
BaseScore：0.0 None
Vector：CVSS：3.0/
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroupFix Oops in dasd_alias_get_start_dev() function caused by the pavgrouppointer being NULL.The pavgroup pointer is checked on the entrance of the function butwithout the lcu->lock being held. Therefore there is a race windowbetween dasd_alias_get_start_dev() and _lcu_update() which setspavgroup to NULL with the lcu->lock held.Fix by checking the pavgroup pointer with lcu->lock held.
漏洞公开时间：2024-04-28 21:15:06
漏洞创建时间：2024-04-28 14:27:47
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2022-48636

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/2e473351400e3dd66f0b71eddcef82ee45a584c1
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48636	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://www.cve.org/CVERecord?id=CVE-2022-48636	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b	https://bugzilla.suse.com/show_bug.cgi?id=1223512
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48636.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1223512
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2024042855-CVE-2022-48636-52a7@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2277833
ubuntu	https://www.cve.org/CVERecord?id=CVE-2022-48636	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/linus/db7ba07108a48c0f95b74fabbfd5d63e924f992d (6.0-rc7)	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2022-48636	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://launchpad.net/bugs/cve/CVE-2022-48636	https://ubuntu.com/security/CVE-2022-48636
ubuntu	https://security-tracker.debian.org/tracker/CVE-2022-48636	https://ubuntu.com/security/CVE-2022-48636
anolis		https://anas.openanolis.cn/cves/detail/CVE-2022-48636
cve_search		https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70
cve_search		https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4
cve_search		https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1
cve_search		https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1
cve_search		https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b
cve_search		https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6
cve_search		https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac
cve_search		https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d

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		https://git.kernel.org/linus/db7ba07108a48c0f95b74fabbfd5d63e924f992d	https://git.kernel.org/linus/8e09f21574ea3028d5629e5de759e0b196c690c5	ubuntu

二、漏洞分析结构反馈
影响性分析说明：
Reserved.
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-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.6.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否
8.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

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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))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(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:

修复是否涉及abi变化(是/否)：
1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:

-----------------------------------------------------------------------
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-2022-48636	None	None	https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1 https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6 https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4 https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1 https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70
https://ubuntu.com/security/CVE-2022-48636	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2022-48636	None	None	https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1 https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6 https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4 https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1 https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-48636
https://security-tracker.debian.org/tracker/CVE-2022-48636

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-2022-48636

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

s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup

Fix Oops in dasd_alias_get_start_dev() function caused by the pavgroup
pointer being NULL.

The pavgroup pointer is checked on the entrance of the function but
without the lcu->lock being held. Therefore there is a race window
between dasd_alias_get_start_dev() and _lcu_update() which sets
pavgroup to NULL with the lcu->lock held.

Fix by checking the pavgroup pointer with lcu->lock held.

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-SP1:受影响
2.openEuler-20.03-LTS-SP4: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:不受影响
6.openEuler-22.03-LTS-SP3:不受影响
7.openEuler-22.03-LTS-SP4:不受影响
8.master(6.1.0):不受影响
9.openEuler-22.03-LTS-Next:不受影响
10.openEuler-24.03-LTS:不受影响
11.openEuler-24.03-LTS-Next: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-SP4:否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否
6.openEuler-22.03-LTS-SP3:否
7.master(6.1.0):否
8.openEuler-22.03-LTS-Next:否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否
11.openEuler-22.03-LTS-SP4:否

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

@ 经过 cve-manager 解析, 已分析的内容如下表所示:

状态	需分析	内容
已分析	1.影响性分析说明	In the Linux kernel, the following vulnerability has been resolved:s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroupFix Oops in dasd_alias_get_start_dev() function caused by the pavgrouppointer being NULL.The pavgroup pointer is checked on the entrance of the function butwithout the lcu->lock being held. Therefore there is a race windowbetween dasd_alias_get_start_dev() and _lcu_update() which setspavgroup to NULL with the lcu->lock held.Fix by checking the pavgroup pointer with lcu->lock held.
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-SP1:受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS:受影响,openEuler-22.03-LTS-SP1:受影响,openEuler-22.03-LTS-SP2:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-22.03-LTS-Next:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响
已分析	5.修复是否涉及abi变化	openEuler-20.03-LTS-SP1:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-22.03-LTS-Next:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否

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-2022-48636

影响性分析说明：
Reserved.

openEuler评分:(评分和向量)
3.9
CVSS: 3.1/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.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-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1:否

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

@ 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	Reserved.
已分析	2.openEulerScore	3.9
已分析	3.openEulerVector	AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
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-SP1: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

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CVE-2022-48636

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

@ 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	Reserved.
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-SP1: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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CVE-2022-48636

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