CVE-2021-47171

一、漏洞信息
漏洞编号：CVE-2021-47171
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 V2.0分值：
BaseScore：0.0 Low
Vector：CVSS：2.0/
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:net: usb: fix memory leak in smsc75xx_bindSyzbot reported memory leak in smsc75xx_bind().The problem was is non-freed memory in case oferrors after memory allocation.backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
漏洞公开时间：2024-03-25 18:15:08
漏洞创建时间：2024-03-25 19:10:24
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2021-47171

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/200dbfcad8011e50c3cec269ed7b980836eeb1fa
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47171	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://www.cve.org/CVERecord?id=CVE-2021-47171	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2021/CVE-2021-47171.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1221994
suse_bugzilla	https://bugzilla.redhat.com/show_bug.cgi?id=2271469	https://bugzilla.suse.com/show_bug.cgi?id=1221994
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2024032536-CVE-2021-47171-f223@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2271469
ubuntu	https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://www.cve.org/CVERecord?id=CVE-2021-47171	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2021-47171	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://launchpad.net/bugs/cve/CVE-2021-47171	https://ubuntu.com/security/CVE-2021-47171
ubuntu	https://security-tracker.debian.org/tracker/CVE-2021-47171	https://ubuntu.com/security/CVE-2021-47171
cve_search		https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
cve_search		https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
cve_search		https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
cve_search		https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
cve_search		https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
cve_search		https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
cve_search		https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
cve_search		https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
ubuntu	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47171	https://ubuntu.com/security/CVE-2021-47171

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/46a8b29c6306d8bbfd92b614ef65a47c900d8e70	https://git.kernel.org/linus/d0cad871703b898a442e4049c532ec39168e5b57	ubuntu

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:net: usb: fix memory leak in smsc75xx_bindSyzbot reported memory leak in smsc75xx_bind().The problem was is non-freed memory in case oferrors after memory allocation.backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
openEuler评分：
5.5
Vector：CVSS：2.0/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-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):受影响
3.openEuler-22.03-LTS(5.10.0):不受影响
4.openEuler-22.03-LTS-SP1(5.10.0):不受影响
5.openEuler-22.03-LTS-SP2(5.10.0):不受影响
6.openEuler-22.03-LTS-SP3(5.10.0):不受影响
7.master(6.1.0):不受影响
8.openEuler-22.03-LTS-Next(5.10.0):不受影响
9.openEuler-24.03-LTS:不受影响
10.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(4.19.90):否
3.openEuler-22.03-LTS(5.10.0):否
4.openEuler-22.03-LTS-SP1(5.10.0):否
5.openEuler-22.03-LTS-SP2(5.10.0):否
6.openEuler-22.03-LTS-SP3(5.10.0):否
7.master(6.1.0):否
8.openEuler-22.03-LTS-Next(5.10.0):否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1484

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 ,@成坚 (CHENG Jian) ,@jiaoff ,@AlexGuo ,@hanjun-guo ,@woqidaideshi ,@Jackie Liu ,@Zhang Yi ,@colyli ,@ThunderTown ,@htforge ,@Chiqijun ,@冷嘲啊 ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@Kefeng ,@SuperSix173 ,@WangShaoBo ,@Zheng Zucheng
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.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:
9.openEuler-24.03-LTS:

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.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:
9.openEuler-24.03-LTS:

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-2021-47171	None	None	https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
https://ubuntu.com/security/CVE-2021-47171	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2021-47171	None	None	https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2021-47171
https://security-tracker.debian.org/tracker/CVE-2021-47171

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

@ci-robot 请确认分支: master,openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2,openEuler-22.03-LTS-SP3,openEuler-24.03-LTS 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

@zhangchangzhong 请确认分支: master,openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2,openEuler-22.03-LTS-SP3,openEuler-24.03-LTS,openEuler-24.03-LTS-Next 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

@hongrongxuan 请确认分支: master,openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2,openEuler-22.03-LTS-SP3,openEuler-24.03-LTS,openEuler-24.03-LTS-Next 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

CVE-2021-47171

影响性分析说明：
Reserved.

openEuler评分:(评分和向量)
0.0
CVSS: 3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:N

@郭梦琪 4.受影响版本排查(受影响/不受影响)=> 没有分析或未按正确格式填写:master:,openEuler-20.03-LTS-SP1:,openEuler-20.03-LTS-SP4:,openEuler-22.03-LTS:,openEuler-22.03-LTS-Next:,openEuler-22.03-LTS-SP1:,openEuler-22.03-LTS-SP2:,openEuler-22.03-LTS-SP3:,openEuler-24.03-LTS:,openEuler-24.03-LTS-Next:

CVE-2021-47171

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

net: usb: fix memory leak in smsc75xx_bind

Syzbot reported memory leak in smsc75xx_bind().
The problem was is non-freed memory in case of
errors after memory allocation.

backtrace:
[] kmalloc include/linux/slab.h:556 [inline]
[] kzalloc include/linux/slab.h:686 [inline]
[] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460
[] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

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

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

@sanglipeng 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:net: usb: fix memory leak in smsc75xx_bindSyzbot reported memory leak in smsc75xx_bind().The problem was is non-freed memory in case oferrors after memory allocation.backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
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:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP2:不受影响,openEuler-22.03-LTS-SP3: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

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src-openEuler / kernel

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src-openEuler / kernel .gitee-modal { width: 500px !important; }

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CVE-2021-47171

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src-openEuler / kernel