CVE-2018-13406 — Integer Overflow or Wraparound in Kernel

CWE-190 — Integer Overflow or Wraparound19 documents7 sources
Severity
7.8HIGHNVD
OSV5.5OSV4.3
EPSS
0.0%
top 88.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelDebian LinuxCanonical Ubuntu Linux+1 more
Timeline
PublishedJul 6
Latest updateMay 14

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.

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 Packages4 packages

▶NVDlinux/linux_kernel2.6.24 — 3.16.58+5
▶Debianlinux/linux_kernel< 4.17.6-1+3
▶Ubuntulinux/linux_kernel< 3.13.0-157.207+2
▶debiandebian/linux< linux 4.17.6-1 (bookworm)

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

8
GHSA
GHSA-c7gj-6p66-m9ff: An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb↗2022-05-14
▶
OSV
linux-azure, linux-oem, linux-gcp vulnerabilities↗2018-08-28
▶
OSV
linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities↗2018-08-24
▶
OSV
linux vulnerabilities↗2018-08-24
▶
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2018-08-24
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel (Azure, GCP, OEM) vulnerabilities↗2018-08-28
▶
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities↗2018-08-24
▶
Ubuntu
Linux kernel vulnerabilities↗2018-08-24
▶
Ubuntu
Linux kernel vulnerabilities↗2018-08-24
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2018-08-24
▶

💬Community

2
Bugzilla
CVE-2018-13406 kernel: Integer overflow in drivers/video/fbdev/uvesafb.c:uvesafb_setcmap() allows for potential denial of service↗2018-07-09
▶
Bugzilla
CVE-2018-13406 kernel: Integer overflow in drivers/video/fbdev/uvesafb.c:uvesafb_setcmap() allows for potential denial of service [fedora-all]↗2018-07-09
▶