PT-2018-14950 · Linux+1 · Linux Kernel+1

Wei Wu · Published 2018-11-21 · Updated 2019-03-14 · CVE-2018-19406

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 4.19.2

Description The issue allows local users to cause a denial of service, resulting in a NULL pointer dereference and BUG, by making crafted system calls that lead to an uninitialized apic map situation.

Recommendations For Linux kernel versions through 4.19.2, update to a version that contains a fix for this issue to prevent local users from causing a denial of service.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-2699

ALT-PU-2018-2729

ALT-PU-2019-1433

CVE-2018-19406

Affected Products

Alt Linux

Linux Kernel

References · 8

• https://osv.dev/vulnerability/UBUNTU-CVE-2018-19406 · Vendor Advisory
• https://lkml.org/lkml/2018/11/20/411 · Patch
• https://cve.org/CVERecord?id=CVE-2018-19406 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-19406 · Security Note
• https://ubuntu.com/security/CVE-2018-19406 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-19406 · Vendor Advisory
• http://securityfocus.com/bid/105988 · Note
• https://lore.kernel.org/lkml/[e-mail] · Note