CVE-2018-6412 Information disclosure in n/a

What is CVE-2018-6412?

CVE-2018-6412 is a high-severity vulnerability in Linux kernel, published on 31 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.

Weakness: CWE-200

Which versions are affected by CVE-2018-6412?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2018-6412?

Apply the vendor's patch.

Is CVE-2018-6412 being exploited?

There is no known exploitation of CVE-2018-6412 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-6412, GHSA-2gc2-cm86-3pjx, UBUNTU-CVE-2018-6412.