CVE-2018-6412

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.26%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://marc.info/?l=linux-fbdev&m=151734425901499&w=2 issue tracking third party advisory patch
https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bde third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bde patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-6412?
CVE-2018-6412 has been scored as a high severity vulnerability.
How to fix CVE-2018-6412?
To fix CVE-2018-6412, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-6412 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-6412 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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