CVE-2022-38457— There is an UAF vulnerability in vmwgfx driver
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I. Basic Information for CVE-2022-38457
Vulnerability Information
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Vulnerability Title
There is an UAF vulnerability in vmwgfx driver
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
RISC-V 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RISC-V是一个基于精简指令集原则的开源指令集架构，简易解释为开源软件运动相对应的一种“开源硬件”。 RISC-V kernel存在安全漏洞，该漏洞源于释放后重用(UAF)，该漏洞允许拥有系统中用户账户的本地攻击者获得权限，从而导致拒绝服务(DoS)。
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
II. Public POCs for CVE-2022-38457
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Same Patch Batch · Linux · 2022-09-09 · 4 CVEs total
| CVE-2022-40133 | 6.3 MEDIUM | There is an UAF vulnerability in vmwgfx driver |
| CVE-2022-36280 | 6.3 MEDIUM | There is an out-of-bounds write vulnerability in vmwgfx driver |
| CVE-2022-38096 | 6.3 MEDIUM | There is a NULL pointer vulnerability in vmwgfx driver |
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