CVE-2023-5178— Kernel: use after free in nvmet_tcp_free_crypto in nvme
Quick assessment
Affected
Red Hat Red Hat Enterprise Linux 8
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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NVMe-oF/TCP 子系统存在逻辑错误，在nvmet_tcp_free_crypto中 的 drivers/nvme/target/tcp.c 中发现了释放后重用，攻击者利用该漏洞可以远程执行代码或本地权限升级。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-5178
Vulnerability Information
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Vulnerability Title
Kernel: use after free in nvmet_tcp_free_crypto in nvme
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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NVMe-oF/TCP 子系统存在逻辑错误，在nvmet_tcp_free_crypto中 的 drivers/nvme/target/tcp.c 中发现了释放后重用，攻击者利用该漏洞可以远程执行代码或本地权限升级。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 ~ * |
cpe:/a:redhat:enterprise_linux:8::realtime
|
|
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-513.9.1.el8_9 ~ * |
cpe:/o:redhat:enterprise_linux:8::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:4.18.0-193.128.1.el8_2 ~ * |
cpe:/o:redhat:rhel_e4s:8.2::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.128.1.rt13.179.el8_2 ~ * |
cpe:/a:redhat:rhel_tus:8.2::realtime
|
|
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.128.1.el8_2 ~ * |
cpe:/o:redhat:rhel_e4s:8.2::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | 0:4.18.0-193.128.1.el8_2 ~ * |
cpe:/o:redhat:rhel_e4s:8.2::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | - |
cpe:/o:redhat:rhel_e4s:8.2::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:4.18.0-305.114.1.el8_4 ~ * |
cpe:/o:redhat:rhel_tus:8.4::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.114.1.rt7.190.el8_4 ~ * |
cpe:/a:redhat:rhel_tus:8.4::realtime
|
|
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.114.1.el8_4 ~ * |
cpe:/o:redhat:rhel_tus:8.4::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:4.18.0-305.114.1.el8_4 ~ * |
cpe:/o:redhat:rhel_tus:8.4::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | - |
cpe:/o:redhat:rhel_e4s:8.4::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | - |
cpe:/o:redhat:rhel_eus:8.6::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:4.18.0-372.87.1.el8_6 ~ * |
cpe:/a:redhat:rhel_eus:8.6::crb
|
|
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | - |
cpe:/o:redhat:rhel_eus:8.8::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:4.18.0-477.43.1.el8_8 ~ * |
cpe:/a:redhat:rhel_eus:8.8::crb
|
|
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-362.18.1.el9_3 ~ * |
cpe:/a:redhat:enterprise_linux:9::realtime
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-362.18.1.el9_3 ~ * |
cpe:/a:redhat:enterprise_linux:9::realtime
|
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.85.1.el9_0 ~ * |
cpe:/a:redhat:rhel_eus:9.0::crb
|
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.85.1.rt21.156.el9_0 ~ * |
cpe:/a:redhat:rhel_eus:9.0::nfv
|
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | - |
cpe:/o:redhat:rhel_eus:9.0::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.40.1.el9_2 ~ * |
cpe:/a:redhat:rhel_eus:9.2::crb
|
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.40.1.rt14.325.el9_2 ~ * |
cpe:/a:redhat:rhel_eus:9.2::nfv
|
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | - |
cpe:/o:redhat:rhel_eus:9.2::baseos
|
|
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | 0:4.18.0-372.87.1.el8_6 ~ * |
cpe:/a:redhat:rhel_eus:8.6::crb
|
|
| Red Hat | Red Hat Enterprise Linux 6 | - |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
II. Public POCs for CVE-2023-5178
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/rockrid3r/CVE-2023-5178 | POC Details |
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Vendor Advisories for CVE-2023-5178 (24)
Mailing List Discussions for CVE-2023-5178 (1)
Other References for CVE-2023-5178 (1)
Same Patch Batch · Red Hat · 2023-11-01 · 4 CVEs total
| CVE-2023-3972 | 7.8 HIGH | Insights-client: unsafe handling of temporary files and directories |
| CVE-2023-3397 | 7.0 HIGH | Kernel: slab-use-after-free write in txend due to race condition |
| CVE-2023-5625 | 5.3 MEDIUM | Python-eventlet: patch regression for cve-2021-21419 in some red hat builds |
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V. Comments for CVE-2023-5178
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