CVE-2023-52649

HIGH

Linux Kernel - Out-of-Bounds Read in DRM VKMS LUT Array Indexing

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Avoid reading beyond LUT array When the floor LUT index (drm_fixp2int(lut_index) is the last index of the array the ceil LUT index will point to an entry beyond the array. Make sure we guard against it and use the value of the floor LUT index. v3: - Drop bits from commit description that didn't contribute anything of value

Scores

CVSS v3 7.8
EPSS 0.0028
EPSS Percentile 19.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-129
Status published
Products (11)
Linux/Linux < 6.6
Linux/Linux 6.6
Linux/Linux 6.6.23 - 6.6.*
Linux/Linux 6.7.11 - 6.7.*
Linux/Linux 6.8.2 - 6.8.*
Linux/Linux 6.9
Linux/Linux db1f254f2cfaf0510ae34fa2311a8d749e95179a - 046c1184ce60b0a37d48134f17ddbc1f32ce02bd
Linux/Linux db1f254f2cfaf0510ae34fa2311a8d749e95179a - 2fee84030d12d9fddfa874e4562d71761a129277
Linux/Linux db1f254f2cfaf0510ae34fa2311a8d749e95179a - 92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d
Linux/Linux db1f254f2cfaf0510ae34fa2311a8d749e95179a - 9556c167673057d48ce4a0da675026fe046654c1
... and 1 more
Published May 01, 2024
Tracked Since Feb 18, 2026