An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4
http://www.securityfocus.com/bid/104685
http://www.securitytracker.com/id/1041355
https://usn.ubuntu.com/3754-1/
https://usn.ubuntu.com/3753-2/
https://usn.ubuntu.com/3753-1/
https://usn.ubuntu.com/3752-2/
https://usn.ubuntu.com/3752-1/
https://usn.ubuntu.com/3752-3/
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
Source: MITRE
Published: 2018-07-06
Updated: 2023-02-24
Type: CWE-190
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH