drm/amd/display: Fix possible underflow for displays with large vblank
Published Sep 15, 2025
5.5
MEDIUMCVSS 3.1
EPSS 0.14%
Description
[Why] Underflow observed when using a display with a large vblank region and low refresh rate
[How] Simplify calculation of vblank_nom
Increase value for VBlankNomDefaultUS to 800us
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 6.0StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<6.0
- Version 6.1.43StatusunaffectedConstraints<=6.1.*
- Version 6.4.8StatusunaffectedConstraints<=6.4.*
- Version 6.5StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- ≥ 6.0.1 · < 6.1.43
- ≥ 6.2 · < 6.4.8
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 9
kernel-0:5.14.0-427.13.1.el9_4
Fixed · RHSA-2024:2394
Red Hat Enterprise Linux 9
kernel-0:5.14.0-427.13.1.el9_4
Fixed · RHSA-2024:2394
Red Hat Enterprise Linux 10
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-427.13.1.el9_4 | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-427.13.1.el9_4 | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux 10 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 14, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.14% (0.00143) | 3.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.13% (0.00134) | 3.16th | v5 (v2026.06.15) |
| Sep 16, 2025 | 0.02% (0.00017) | 2.64th | v4 (v2025.03.14) |
References (8)
- https://access.redhat.com/security/cve/CVE-2023-53258 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2395426 Issue Tracking
- https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc Patch
- https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62 Patch
- https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22 Patch
- https://lore.kernel.org/linux-cve-announce/2025091503-CVE-2023-53258-35f0@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2023-53258
- https://www.cve.org/CVERecord?id=CVE-2023-53258
Change history (0)
No recorded changes yet.