PT-2017-3823 · Linux+2 · Linux Kernel+2

Published 2017-11-29 · Updated 2022-03-22 · CVE-2018-5995

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 4.14.14

Description The issue is related to the pcpu embed first chunk function in the Linux kernel, which allows local users to obtain sensitive address information by reading dmesg data from a "pages/cpu" printk call. This could potentially enable an attacker to gain unauthorized access to information.

Recommendations For Linux kernel versions through 4.14.14, update to a version that contains a fix for this issue to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2018-1077

ALT-PU-2018-1991

BDU:2019-03625

CVE-2018-5995

DLA-1799-1

DLA-1799-2

DLA-1885-1

DSA-4497-1

USN-5343-1

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 67

• 🔥 https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-5995.md · Exploit
• https://ubuntu.com/security/CVE-2020-26555 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-5995 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-33034 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-0129 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25670 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3573 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-32399 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4497-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2853 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5995 · Security Note
• https://ubuntu.com/security/CVE-2021-20292 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-36322 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-5995 · Security Note
• https://ubuntu.com/security/CVE-2021-38208 · Vendor Advisory