CVE-2023-3863

一、漏洞信息
漏洞编号：CVE-2023-3863
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：4.1 Medium
Vector：CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
漏洞简述：
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.
漏洞公开时间：2023-07-24 23:15:00
漏洞创建时间：2023-07-24 21:39:26
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-3863

更多参考(点击展开)

参考来源	参考链接	来源链接
secalert.redhat.com	https://access.redhat.com/security/cve/CVE-2023-3863
secalert.redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2225126
secalert.redhat.com	https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-3863	https://bugzilla.suse.com/show_bug.cgi?id=1213601
suse_bugzilla	https://bugzilla.redhat.com/show_bug.cgi?id=2225126	https://bugzilla.suse.com/show_bug.cgi?id=1213601
redhat_bugzilla	https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10	https://bugzilla.redhat.com/show_bug.cgi?id=2225126
debian		https://security-tracker.debian.org/tracker/CVE-2023-3863
anolis		https://anas.openanolis.cn/cves/detail/CVE-2023-3863
cve_search		https://access.redhat.com/security/cve/CVE-2023-3863
cve_search		https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10
cve_search		https://bugzilla.redhat.com/show_bug.cgi?id=2225126

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	来源
		https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10	secalert.redhat.com
		https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10	redhat_bugzilla
linux_kernel	5.10.188	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=96f2c6f272ec04083d828de46285a7d7b17d1aad	linuxkernelcves
linux_kernel	5.15.121	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=fc8429f8d86801f092fbfbd257c3af821ac0dcd3	linuxkernelcves
linux_kernel	5.4.251	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=dd6ff3f3862709ab1a12566e73b9d6a9b8f6e548	linuxkernelcves
linux_kernel	6.1.39	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=425d9d3a92df7d96b3cfb7ee5c240293a21cbde3	linuxkernelcves
linux_kernel	6.3.13	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=b3ad46e155a6d91b36c6e892019a43e3ef3c696d	linuxkernelcves
linux_kernel	6.4.4	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=e5207c1d69b1a9707615ab6ff9376e59fc096815	linuxkernelcves

二、漏洞分析结构反馈
影响性分析说明：
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact akernel information leak issue.
openEuler评分：
4.1
Vector：CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
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-SP3: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: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-2023-1513

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.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-2023-3863
https://ubuntu.com/security/CVE-2023-3863	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-3863
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-3863	None	None	https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10
https://security-tracker.debian.org/tracker/CVE-2023-3863
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2023-3863

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: openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2 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: openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2 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-2023-3863
I7NLJR

影响性分析说明：
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact akernel information leak issue.

openEuler评分:(评分和向量)
4.1
CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

创建时间：2023-07-24

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-SP3(4.19.90):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

@YangYingliang 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	A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact akernel information leak issue.
已分析	2.openEulerScore	4.1
已分析	3.openEulerVector	AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
已分析	4.受影响版本排查	openEuler-20.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP3:受影响,openEuler-22.03-LTS:受影响,openEuler-22.03-LTS-SP1:受影响,openEuler-22.03-LTS-SP2: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-SP3:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2: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.

@成坚 (CHENG Jian) ,@Xie XiuQi ,@YangYingliang ,@pi3orama ,@jiaoff ,@openeuler-sync-bot
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I7NLJR:CVE-2023-3863
受影响分支: openEuler-22.03-LTS/openEuler-22.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

@成坚 (CHENG Jian) ,@Xie XiuQi ,@YangYingliang ,@pi3orama ,@jiaoff ,@openeuler-sync-bot
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I7NLJR:CVE-2023-3863
受影响分支: openEuler-22.03-LTS
具体操作参考: https://gitee.com/help/articles/4142

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