PT-2018-17543 · Linux+1 · Linux Kernel+1

Published 2018-01-31 · Updated 2019-03-20 · CVE-2018-6412

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.16

Description The issue is related to an integer signedness error in the sbusfb ioctl helper() function, which can lead to arbitrary information leakage. This error affects the FBIOPUTCMAP SPARC and FBIOGETCMAP SPARC commands.

Recommendations For Linux kernel versions prior to 4.16, update to version 4.16 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2018-1557

ALT-PU-2018-1826

ALT-PU-2018-1827

ALT-PU-2019-1433

CVE-2018-6412

DLA-1423-1

MGASA-2018-0296

MGASA-2018-0340

MGASA-2018-0341

Affected Products

Alt Linux

Linux Kernel

References · 39

• https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bde · Patch
• https://osv.dev/vulnerability/DLA-1423-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-6412 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0296 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-6412 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0340 · Vendor Advisory
• https://marc.info/?l=linux-fbdev&m=151734425901499&w=2 · Patch
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bde · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0341.html · Security Note
• https://osv.dev/vulnerability/MGASA-2018-0341 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-6412 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-6412 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0340.html · Security Note
• https://advisories.mageia.org/MGASA-2018-0296.html · Security Note
• https://cve.org/CVERecord?id=CVE-2018-6412 · Security Note