Description
A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.
References10
- access.redhat.com/errata/RHSA-2025:10258
- access.redhat.com/errata/RHSA-2025:10342
- access.redhat.com/errata/RHSA-2025:10343
- access.redhat.com/errata/RHSA-2025:10344
- access.redhat.com/errata/RHSA-2025:10346
- access.redhat.com/errata/RHSA-2025:10347
- access.redhat.com/errata/RHSA-2025:10348
- access.redhat.com/errata/RHSA-2025:10349
- access.redhat.com/errata/RHSA-2025:10350
- access.redhat.com/errata/RHSA-2025:10351
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 27 · as of 7 November 2026
- CWE
- CWE-190
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.