CVE-2018-13406

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedJul 6, 2018
First seenJul 6, 2018

How to fix

Update
  • linux linux_kernel3.16.58, 3.18.114, 4.4.139, 4.9.111, 4.14.53, 4.17.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel2.6.24 ≤ v < 3.16.58, 3.17 ≤ v < 3.18.114, 3.19 ≤ v < 4.4.139, 4.5 ≤ v < 4.9.111, 4.10 ≤ v < 4.14.53, 4.15 ≤ v < 4.17.43.16.58, 3.18.114, 4.4.139, 4.9.111, 4.14.53, 4.17.4
canonical ubuntu_linux14.04, 16.04, 18.04—
debian debian_linux8.0—

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