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Vulnerability · Published May 1, 2024 · Assigned by Linux

CVE-2023-52649drm/vkms: Avoid reading beyond LUT array

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.7.12-1DEBIAN-CVE-2023-52649
Debian:14linux6.7.12-1DEBIAN-CVE-2023-52649
Ubuntu:24.04:LTSlinux6.8.0-35.35USN-6816-1
Ubuntu:24.04:LTSlinux6.8.0-35.35UBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9USN-6817-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8USN-6817-3
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8UBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9USN-6817-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9UBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7USN-6817-3
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6USN-6816-1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1USN-6816-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6USN-6817-2
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6USN-6878-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5UBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5USN-6816-1
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52649
Ubuntu:24.04:LTSlinux-riscv6.8.0-35.35.1UBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52649
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52649

Affected products (as reported)

VendorProductVersions
Linux Linux db1f254f2cfaf0510ae34fa2311a8d749e95179a – before 9556c167673057d48ce4a0da675026fe046654c1db1f254f2cfaf0510ae34fa2311a8d749e95179a – before 046c1184ce60b0a37d48134f17ddbc1f32ce02bddb1f254f2cfaf0510ae34fa2311a8d749e95179a – before 92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9ddb1f254f2cfaf0510ae34fa2311a8d749e95179a – before 2fee84030d12d9fddfa874e4562d71761a129277
Linux Linux 6.6

References