CVE-2022-48766 drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU.

2024-06-2011:13:42

Linux

www.cve.org

linux kernel

drm/amd/display

vulnerability

0.0004 Low

EPSS

Percentile

9.1%

JSON

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU.

Mirrors the logic for dcn30. Cue lots of WARNs and some
kernel panics without this fix.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c",
      "drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c",
      "drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "456ba2433844",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "25f1488bdbba",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c",
      "drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c",
      "drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h"
    ],
    "versions": [
      {
        "version": "5.16.5",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]