CVE-2024-49971

MEDIUM

Linux Kernel < 6.11.3 - Buffer Overrun in DRM AMD Display Mode Support

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Increase array size of dummy_boolean [WHY] dml2_core_shared_mode_support and dml_core_mode_support access the third element of dummy_boolean, i.e. hw_debug5 = &s->dummy_boolean[2], when dummy_boolean has size of 2. Any assignment to hw_debug5 causes an OVERRUN. [HOW] Increase dummy_boolean's array size to 3. This fixes 2 OVERRUN issues reported by Coverity.

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 10.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (8)
linux/Kernel 6.11.0 - 6.11.3linux
Linux/Linux < 6.11
Linux/Linux 6.11
Linux/Linux 6.11.3 - 6.11.*
Linux/Linux 6.12
Linux/Linux 70839da6360500a82e4d5f78499284474cbed7c1 - 6d64d39486197083497a01b39e23f2f8474b35d3
Linux/Linux 70839da6360500a82e4d5f78499284474cbed7c1 - e9e48b7bb9cf3b78f0305ef0144aaf61da0a83d8
linux/linux_kernel < 6.11.3
Published Oct 21, 2024
Tracked Since Feb 18, 2026