CVE-2023-52649Improper Validation of Array Index in Linux

Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 94.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 1
Latest updateJul 4

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages9 packages

NVDlinux/linux_kernel6.66.6.23+2
Debianlinux/linux_kernel< 6.7.12-1+1
Ubuntulinux/linux_kernel< 6.8.0-35.35
CVEListV5linux/linuxdb1f254f2cfaf0510ae34fa2311a8d749e95179a9556c167673057d48ce4a0da675026fe046654c1+4
debiandebian/linux< linux 6.7.12-1 (forky)

Patches

🔴Vulnerability Details

7
OSV
linux-oracle vulnerabilities2024-07-04
OSV
linux-azure, linux-gke vulnerabilities2024-06-14
OSV
linux-oem-6.8 vulnerabilities2024-06-11
OSV
linux, linux-ibm, linux-lowlatency, linux-raspi vulnerabilities2024-06-07
OSV
linux-aws, linux-gcp vulnerabilities2024-06-07

📋Vendor Advisories

8
Ubuntu
Linux kernel (Oracle) vulnerabilities2024-07-04
Ubuntu
Linux kernel vulnerabilities2024-06-14
Ubuntu
Linux kernel (OEM) vulnerabilities2024-06-11
Ubuntu
Linux kernel vulnerabilities2024-06-07
Ubuntu
Linux kernel vulnerabilities2024-06-07

💬Community

1
Bugzilla
CVE-2023-52649 kernel: drm/vkms: Avoid reading beyond LUT array2024-05-01
CVE-2023-52649 — Improper Validation of Array Index | cvebase