CVE-2022-36280

Description

An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel 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).

CVSS Metrics

• v3.1•MEDIUM•Score: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
• v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.05%• Percentile: 16%

Techniques & Countermeasures

• CWE-787•Out-of-bounds Write

  The product writes data past the end, or before the beginning, of the intended buffer.

• CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

• debian•debian_linux

  11.0

• Unknown•Kernel

  ≥ v3.2-rc1, < 5.13.0-52*

• linux•linux_kernel

  ≥ 3.2, ≤ 5.13.0-52

References (4)

• https://bugzilla.openanolis.cn/show_bug.cgi?id=2071
• https://www.debian.org/security/2023/dsa-5324
• https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
• https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html