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UBUNTU-CVE-2018-13406 High

UBUNTU-CVE-2018-13406

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.

Exploit probability Not scored
Published July 6, 2018
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux

136 explicit affected versions

Ubuntu:14.04:LTS linux-aws

17 explicit affected versions

Ubuntu:14.04:LTS linux-lts-xenial

57 explicit affected versions

Ubuntu:16.04:LTS linux

79 explicit affected versions

Ubuntu:16.04:LTS linux-aws

38 explicit affected versions

Ubuntu:16.04:LTS linux-azure

20 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

18 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

38 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

17 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

51 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

49 explicit affected versions

Ubuntu:18.04:LTS linux

16 explicit affected versions

Ubuntu:18.04:LTS linux-aws

11 explicit affected versions

Ubuntu:18.04:LTS linux-azure

11 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

10 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

11 explicit affected versions

Ubuntu:18.04:LTS linux-oem

8 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

3 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2018-13406

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.

View original source

05 / REFERENCES

Further evidence