Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 输入验证错误漏洞
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 4.19.13及之前版本中的drivers/gpu/drm/i915/i915_gem_execbuffer.c文件中的i915_gem_execbuffer2_ioctl存在输入验证错误漏洞，该漏洞源于程序缺少‘access_ok()’检查。本地攻击者可利用该漏洞绕过限制，提升权限。
CVSS Information
N/A
Vulnerability Type
N/A