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CVE-2023-46813

Quick assessment

Affected
n/a n/a
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VC 处理程序中的不正确访问检查和 MMIO 访问的 SEV-ES 模拟的指令模拟可能会导致对内核内存的任意写入访问，从而导致权限提升。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.69% · P51
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I. Basic Information for CVE-2023-46813

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the #VC handler and instruction emulation of the SEV-ES emulation of MMIO accesses could lead to arbitrary write access to kernel memory (and thus privilege escalation). This depends on a race condition through which userspace can replace an instruction before the #VC handler reads it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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VC 处理程序中的不正确访问检查和 MMIO 访问的 SEV-ES 模拟的指令模拟可能会导致对内核内存的任意写入访问，从而导致权限提升。
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
- n/a n/a -

II. Public POCs for CVE-2023-46813

# POC Description Source Link Shenlong Link
1 None https://github.com/Freax13/cve-2023-46813-poc POC Details
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III. Intelligence Information for CVE-2023-46813

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Patches & Fixes for CVE-2023-46813 (3)

Vendor Advisories for CVE-2023-46813 (1)

Mailing List Discussions for CVE-2023-46813 (1)

Other References for CVE-2023-46813 (1)

Same Patch Batch · n/a · 2023-10-27 · 27 CVEs total

CVE-2023-34057 7.8 HIGH VMware Tools 安全漏洞
CVE-2023-34059 7.4 HIGH VMware Tools 安全漏洞
CVE-2023-34058 7.1 HIGH VMware Tools 安全漏洞
CVE-2023-46393 gougucms 安全漏洞
CVE-2023-46853 Memcached 安全漏洞
CVE-2023-46852 Memcached 安全漏洞
CVE-2023-46818 ISPConfig 安全漏洞
CVE-2023-46816 SugarCRM 安全漏洞
CVE-2023-46815 SugarCRM 安全漏洞
CVE-2023-46587 XnView Classic 安全漏洞
CVE-2023-46510 ZIONCOM Technology A7000R 安全漏洞
CVE-2023-46490 Cacti SQL注入漏洞
CVE-2023-46407 FFmpeg 安全漏洞
CVE-2023-46509 Contec SolarView Compact 安全漏洞
CVE-2023-35794 Cassia Networks Access Controller 安全漏洞
CVE-2022-34834 VERMEG Agile Reporter 安全漏洞
CVE-2022-34833 VERMEG Agile Reporter 安全漏洞
CVE-2022-34832 VERMEG Agile Reporter 安全漏洞
CVE-2023-46375 Nature Easy Soft Network Technology ZenTao 跨站请求伪造漏洞
CVE-2023-46376 Nature Easy Soft Network Technology ZenTao 信息泄露漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2023-46813

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