drm/amd/display: populate subvp cmd info only for the top pipe (Linux Linux)

CVE-2023-53806
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.14 % · percentile 3 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: populate subvp cmd info only for the top pipe [Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page fault. [How] When the driver populates subvp info it did it for both the pipes using vblank which caused an outof bounds array access causing the page fault. added checks to allow the top pipe only to fix this issue.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 92e6c79acad4b96efeff261d27bdbd8089a7dd24 ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 375d192eb1f1d9229a6d994da7ba31f3582b106b ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0
Linux · Linuxaffected 4.15 ; unaffected 0 < 4.15 ; unaffected 6.1.30 ≤ 6.1.* ; unaffected 6.3.4 ≤ 6.3.* ; unaffected 6.4 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD