CVE-2017-6951

MEDIUM

Description

The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "dead" type.

References

http://www.securityfocus.com/bid/96943

http://www.spinics.net/lists/keyrings/msg01845.html

http://www.spinics.net/lists/keyrings/msg01846.html

http://www.spinics.net/lists/keyrings/msg01849.html

https://access.redhat.com/errata/RHSA-2017:1842

https://access.redhat.com/errata/RHSA-2017:2077

https://access.redhat.com/errata/RHSA-2017:2669

Details

Source: MITRE

Published: 2017-03-16

Updated: 2018-01-05

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 3.14.79 (inclusive)

Tenable Plugins

View all (19 total)

IDNameProductFamilySeverity
124829EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1506)NessusHuawei Local Security Checks
critical
124825EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1502)NessusHuawei Local Security Checks
high
109881Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2018-4110) (Meltdown) (Spectre)NessusOracle Linux Local Security Checks
high
107052Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2018-4041)NessusOracle Linux Local Security Checks
high
104374SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2920-1) (KRACK) (Stack Clash)NessusSuSE Local Security Checks
critical
103354SUSE SLES11 Security Update : kernel (SUSE-SU-2017:2525-1) (Stack Clash)NessusSuSE Local Security Checks
critical
103326Ubuntu 14.04 LTS : linux vulnerabilities (USN-3422-1) (BlueBorne)NessusUbuntu Local Security Checks
high
103110SUSE SLES11 Security Update : kernel (SUSE-SU-2017:2389-1) (Stack Clash)NessusSuSE Local Security Checks
high
103046RHEL 6 : MRG (RHSA-2017:2669)NessusRed Hat Local Security Checks
high
102734CentOS 7 : kernel (CESA-2017:1842) (Stack Clash)NessusCentOS Local Security Checks
high
102645Scientific Linux Security Update : kernel on SL7.x x86_64 (20170801)NessusScientific Linux Local Security Checks
high
102511Oracle Linux 7 : kernel (ELSA-2017-1842-1) (Stack Clash)NessusOracle Linux Local Security Checks
critical
102281Oracle Linux 7 : kernel (ELSA-2017-1842) (Stack Clash)NessusOracle Linux Local Security Checks
high
102151RHEL 7 : kernel-rt (RHSA-2017:2077)NessusRed Hat Local Security Checks
high
102143RHEL 7 : kernel (RHSA-2017:1842) (Stack Clash)NessusRed Hat Local Security Checks
high
100320SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:1360-1)NessusSuSE Local Security Checks
critical
99938EulerOS 2.0 SP2 : kernel (EulerOS-SA-2017-1072)NessusHuawei Local Security Checks
high
99937EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1071)NessusHuawei Local Security Checks
high
99733Debian DLA-922-1 : linux security updateNessusDebian Local Security Checks
high