CVE-2017-7472MEDIUM
Description
The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.
References
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
http://openwall.com/lists/oss-security/2017/05/11/1
http://www.securityfocus.com/bid/98422
http://www.securitytracker.com/id/1038471
https://access.redhat.com/errata/RHSA-2018:0151
https://access.redhat.com/errata/RHSA-2018:0152
https://access.redhat.com/errata/RHSA-2018:0181
https://bugzilla.novell.com/show_bug.cgi?id=1034862
https://bugzilla.redhat.com/show_bug.cgi?id=1442086
https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
https://lkml.org/lkml/2017/4/1/235
https://lkml.org/lkml/2017/4/3/724
https://www.exploit-db.com/exploits/42136/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13
Details
Source: MITRE
Published: 2017-05-11
Updated: 2019-10-03
Type: CWE-404
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 4.10.12 (inclusive)
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 131845 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-2353) | Nessus | Huawei Local Security Checks | critical |
| 130736 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-2274) | Nessus | Huawei Local Security Checks | critical |
| 127165 | NewStart CGSL MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0014) | Nessus | NewStart CGSL Local Security Checks | high |
| 125283 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1289-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) | Nessus | SuSE Local Security Checks | high |
| 124827 | EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1504) | Nessus | Huawei Local Security Checks | critical |
| 124802 | EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1478) | Nessus | Huawei Local Security Checks | high |
| 106525 | RHEL 6 : kernel-rt (RHSA-2018:0181) | Nessus | Red Hat Local Security Checks | high |
| 106364 | Oracle Linux 7 : kernel (ELSA-2018-0151) (Meltdown) (Spectre) | Nessus | Oracle Linux Local Security Checks | high |
| 106353 | CentOS 7 : kernel (CESA-2018:0151) (Meltdown) (Spectre) | Nessus | CentOS Local Security Checks | high |
| 106340 | Scientific Linux Security Update : kernel on SL7.x x86_64 (20180125) (Meltdown) (Spectre) | Nessus | Scientific Linux Local Security Checks | high |
| 106331 | RHEL 7 : kernel-rt (RHSA-2018:0152) | Nessus | Red Hat Local Security Checks | high |
| 106330 | RHEL 7 : kernel (RHSA-2018:0151) (Meltdown) (Spectre) | Nessus | Red Hat Local Security Checks | high |
| 105685 | SUSE SLES11 Security Update : kernel (SUSE-SU-2018:0040-1) (BlueBorne) (KRACK) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 105575 | SUSE SLES11 Security Update : kernel (SUSE-SU-2018:0011-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 103326 | Ubuntu 14.04 LTS : linux vulnerabilities (USN-3422-1) (BlueBorne) | Nessus | Ubuntu Local Security Checks | high |
| 101929 | Ubuntu 16.04 LTS : linux-hwe vulnerabilities (USN-3361-1) | Nessus | Ubuntu Local Security Checks | critical |
| 100668 | Ubuntu 17.04 : linux, linux-raspi2 vulnerabilities (USN-3314-1) | Nessus | Ubuntu Local Security Checks | critical |
| 100665 | Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3312-2) | Nessus | Ubuntu Local Security Checks | critical |
| 100664 | Ubuntu 16.04 LTS : linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities (USN-3312-1) | Nessus | Ubuntu Local Security Checks | critical |
| 99733 | Debian DLA-922-1 : linux security update | Nessus | Debian Local Security Checks | high |
| 99710 | Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-031) | Nessus | Virtuozzo Local Security Checks | medium |
| 99599 | Virtuozzo 7 : readykernel-patch (VZA-2017-029) | Nessus | Virtuozzo Local Security Checks | high |