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CVE-2023-53258 (GCVE-0-2023-53258)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:46 – Updated: 2026-05-11 19:41
VLAI
Title
drm/amd/display: Fix possible underflow for displays with large vblank
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix possible underflow for displays with large vblank [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
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:02 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < d5741133e6e2f304b40ca1da0e16f62af06f4d22 (git)
Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < 64bc8e10c87adf60b2d32aacf3afb288e51d5a62 (git)
Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < 1a4bcdbea4319efeb26cc4b05be859a7867e02dc (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.43 , ≤ 6.1.* (semver)
Unaffected: 6.4.8 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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