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一、 漏洞 CVE-2023-6546 基础信息
漏洞信息
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Vulnerability Title
Kernel: gsm multiplexing race condition leads to privilege escalation
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting the gsm mux. This could allow a local unprivileged user to escalate their privileges on the system.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
单线程内的竞争条件
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于GSM 多路复用竞争条件导致权限升级，当两个线程在启用 gsm 行规则的情况下在同一个 tty 文件描述符上执行 GSMIOC_SETCONF ioctl 时，会出现此问题，并且可能会导致在重新启动 gsm mux 时在 struct gsm_dlci 上出现释放后重用问题。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
厂商产品影响版本CPE订阅
Red HatRed Hat Enterprise Linux 8 0:4.18.0-513.24.1.rt7.326.el8_9 ~ * cpe:/a:redhat:enterprise_linux:8::realtime
Red HatRed Hat Enterprise Linux 8 0:4.18.0-513.24.1.el8_9 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:4.18.0-193.136.1.el8_2 ~ * cpe:/o:redhat:rhel_aus:8.2::baseos
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:4.18.0-305.134.1.el8_4 ~ * cpe:/o:redhat:rhel_aus:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service 0:4.18.0-305.134.1.rt7.210.el8_4 ~ * cpe:/a:redhat:rhel_tus:8.4::nfv
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service 0:4.18.0-305.134.1.el8_4 ~ * cpe:/o:redhat:rhel_aus:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions 0:4.18.0-305.134.1.el8_4 ~ * cpe:/o:redhat:rhel_aus:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions-cpe:/o:redhat:rhel_e4s:8.4::baseos
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support 0:4.18.0-372.93.1.el8_6 ~ * cpe:/o:redhat:rhev_hypervisor:4.4::el8
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support-cpe:/o:redhat:rhel_eus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support 0:4.18.0-477.55.1.el8_8 ~ * cpe:/a:redhat:rhel_eus:8.8::crb
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support-cpe:/o:redhat:rhel_eus:8.8::baseos
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::realtime
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::realtime
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:5.14.0-70.93.2.el9_0 ~ * cpe:/a:redhat:rhel_eus:9.0::appstream
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:5.14.0-70.93.1.rt21.165.el9_0 ~ * cpe:/a:redhat:rhel_eus:9.0::realtime
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support-cpe:/o:redhat:rhel_eus:9.0::baseos
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.55.1.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::appstream
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.55.1.rt14.340.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::realtime
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support-cpe:/o:redhat:rhel_eus:9.2::baseos
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8 0:4.18.0-372.93.1.el8_6 ~ * cpe:/o:redhat:rhev_hypervisor:4.4::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-16 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-7 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v6.8.1-408 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-19 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v1.0.0-480 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-9 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v0.4.0-248 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v1.14.6-215 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v6.8.1-431 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v1.1.0-228 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.8.1-471 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v2.9.6-15 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-3 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-27 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v5.7.13-12 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v0.1.0-527 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v0.1.0-225 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRHOL-5.7-RHEL-8 v0.28.1-57 ~ * cpe:/a:redhat:logging:5.7::el8
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
二、漏洞 CVE-2023-6546 的公开POC
#POC 描述源链接神龙链接
1Nonehttps://github.com/harithlab/CVE-2023-6546POC详情
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三、漏洞 CVE-2023-6546 的情报信息
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IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-366
V. Comments for CVE-2023-6546

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