PT-2017-1618 · Linux+5 · Linux Kernel+5

Published 2014-06-25 · Updated 2018-01-05 · CVE-2017-6951

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 3.14.79

Description The issue is related to the keyring search aux function in the Linux kernel, which is associated with pointer dereference errors. This can be exploited by a local attacker to cause a denial of service (NULL pointer dereference and OOPS) via a request key system call for the "dead" type.

Recommendations For Linux kernel versions through 3.14.79, consider updating to a version that contains a fix for this issue, as no specific workaround is provided for these versions. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2014-1819

ALT-PU-2015-1794

BDU:2017-00771

CESA-2017_1842

CVE-2017-6951

DLA-922-1

MGASA-2017-0136

MGASA-2017-0147

MGASA-2017-0148

RHSA-2017:1842

RHSA-2017:2077

RHSA-2017:2669

RHSA-2017_1842

RHSA-2017_2077

SUSE-SU-2017:1360-1

SUSE-SU-2017:2342-1

SUSE-SU-2017:2389-1

SUSE-SU-2017:2525-1

SUSE-SU-2017:2920-1

USN-3422-1

USN-3422-2

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 444

• https://advisories.mageia.org/MGASA-2017-0136.html · Security Note
• https://ubuntu.com/security/CVE-2016-9178 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-6951 · Security Note
• https://osv.dev/vulnerability/CVE-2017-6951 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-00771 · Security Note
• https://ubuntu.com/security/CVE-2017-6214 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:2669 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5970 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7541 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-10200 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0147.html · Security Note
• https://ubuntu.com/security/CVE-2017-1000251 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:1842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6346 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0148 · Vendor Advisory