Out-of-bounds Write Affecting rv package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.17% (7th percentile)

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  • Snyk IDSNYK-CENTOS10-RV-20660645
  • published9 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-98181  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 rv.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

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

drm/gud: fix out-of-bounds write in gud_plane_atomic_check()

The plane property loop uses req->properties[num_properties + i] as write index while simultaneously incrementing num_properties inside the loop. At iteration i, num_properties has also incremented by i, so the write is done at initial_num_properties + 2*i, skipping every other index and advancing by 2 per iteration.

With just 2 connector and 32 plane properties the last write happens at index 64, one slot past the end of the 64-slot (indices 0–63) allocation. A USB device can trigger OOB by advertising the maximum number of properties.

Fix by dropping the redundant + i; num_properties is already the correct running index, as gud_connector_fill_properties() fills the preceding slots.

CVSS Base Scores

version 3.1