UBUNTU-CVE-2018-6412

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2018-6412
Published: 31 Jan 2018, 07:29
Last modified:24 Oct 2025, 04:46

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Jan 2018, 07:29
Published
Vulnerability first disclosed
24 Oct 2025, 04:46
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-fips

    < 4.4.0-1008.10

  • ubuntu•linux-gke

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

References (3)