PT-2017-15448 · Linux+5 · Linux Kernel+5

Dmitry Vyukov · Published 2017-01-14 · Updated 2018-08-24 · CVE-2017-2584

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.9.4

Description The issue allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.

Recommendations For Linux kernel versions prior to 4.9.4, update to version 4.9.4 or later to resolve the issue.

Fix

DoS

Information Disclosure

Use After Free

Weakness Enumeration

CWE-200

CWE-416

Related Identifiers

ALT-PU-2017-1054

ALT-PU-2017-1330

CESA-2017_1842

CVE-2017-2584

DSA-3791-1

MGASA-2017-0063

MGASA-2017-0064

MGASA-2017-0065

OPENSUSE-SU-2017_0456-1

OPENSUSE-SU-2017_0906-1

RHSA-2017:1842

RHSA-2017:2077

RHSA-2017_1842

RHSA-2017_2077

SUSE-SU-2017:0407-1

SUSE-SU-2017:0464-1

SUSE-SU-2017:0471-1

SUSE-SU-2017:0575-1

SUSE-SU-2017:1990-1

USN-3208-1

USN-3208-2

USN-3361-1

USN-3754-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 678

• https://ubuntu.com/security/CVE-2018-13094 · Vendor Advisory
• http://debian.org/security/2017/dsa-3791 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3754-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16535 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3361-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0407-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5546 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3208-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2584 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16529 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6074 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9755 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2596 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-2584 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-2584 · Vendor Advisory