PT-2017-17757 · Linux+5 · Linux Kernel+5

Published 2017-05-10 · Updated 2023-02-12 · CVE-2017-7472

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 prior to 4.10.13

Description The issue allows local users to cause a denial of service, specifically memory consumption, through a series of KEY REQKEY DEFL THREAD KEYRING keyctl set reqkey keyring calls.

Recommendations For versions prior to 4.10.13, update to version 4.10.13 or later to resolve the issue.

Exploit

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

ALT-PU-2017-1601

ALT-PU-2018-1991

CESA-2018_0151

CVE-2017-7472

DLA-922-1

MGASA-2017-0136

MGASA-2017-0147

MGASA-2017-0148

RHSA-2018:0151

RHSA-2018:0152

RHSA-2018:0181

RHSA-2018_0151

RHSA-2018_0152

SUSE-SU-2018:0011-1

SUSE-SU-2018:0040-1

SUSE-SU-2018:0180-1

SUSE-SU-2019:1289-1

USN-3312-1

USN-3312-2

USN-3314-1

USN-3361-1

USN-3422-1

USN-3422-2

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 284

• 🔥 https://exploit-db.com/exploits/42136 · Exploit
• https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b · Patch
• https://ubuntu.com/security/notices/USN-3422-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-1000251 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7472 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-0605 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7889 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3361-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0011-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7917 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9604 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5546 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-1350 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3312-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2584 · Vendor Advisory