The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
http://www.securityfocus.com/bid/97258
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2437
https://access.redhat.com/errata/RHSA-2017:2444
https://bugzilla.redhat.com/show_bug.cgi?id=1428353
https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
Source: MITRE
Published: 2017-03-31
Updated: 2019-01-15
Type: CWE-476
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH
OR
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 3.17.8 (inclusive)
ID | Name | Product | Family | Severity |
---|---|---|---|---|
140782 | RHEL 6 : kernel (RHSA-2020:3836) | Nessus | Red Hat Local Security Checks | high |
139895 | Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20200826) | Nessus | Scientific Linux Local Security Checks | critical |
139807 | RHEL 6 : kernel (RHSA-2020:3548) | Nessus | Red Hat Local Security Checks | critical |
124825 | EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1502) | Nessus | Huawei Local Security Checks | high |
124802 | EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1478) | Nessus | Huawei Local Security Checks | high |
119832 | Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3849-1) | Nessus | Ubuntu Local Security Checks | high |
104374 | SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2920-1) (KRACK) (Stack Clash) | Nessus | SuSE Local Security Checks | critical |
103354 | SUSE SLES11 Security Update : kernel (SUSE-SU-2017:2525-1) (Stack Clash) | Nessus | SuSE Local Security Checks | critical |
103110 | SUSE SLES11 Security Update : kernel (SUSE-SU-2017:2389-1) (Stack Clash) | Nessus | SuSE Local Security Checks | high |
102734 | CentOS 7 : kernel (CESA-2017:1842) (Stack Clash) | Nessus | CentOS Local Security Checks | high |
102645 | Scientific Linux Security Update : kernel on SL7.x x86_64 (20170801) | Nessus | Scientific Linux Local Security Checks | high |
102511 | Oracle Linux 7 : kernel (ELSA-2017-1842-1) (Stack Clash) | Nessus | Oracle Linux Local Security Checks | critical |
102350 | RHEL 6 : MRG (RHSA-2017:2444) | Nessus | Red Hat Local Security Checks | high |
102349 | RHEL 7 : kernel (RHSA-2017:2437) | Nessus | Red Hat Local Security Checks | high |
102281 | Oracle Linux 7 : kernel (ELSA-2017-1842) (Stack Clash) | Nessus | Oracle Linux Local Security Checks | high |
102151 | RHEL 7 : kernel-rt (RHSA-2017:2077) | Nessus | Red Hat Local Security Checks | high |
102143 | RHEL 7 : kernel (RHSA-2017:1842) (Stack Clash) | Nessus | Red Hat Local Security Checks | high |
100320 | SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:1360-1) | Nessus | SuSE Local Security Checks | critical |
100238 | OracleVM 3.2 : Unbreakable / etc (OVMSA-2017-0106) | Nessus | OracleVM Local Security Checks | critical |
100237 | OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0105) | Nessus | OracleVM Local Security Checks | critical |
100235 | Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2017-3567) | Nessus | Oracle Linux Local Security Checks | critical |
100234 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3566) | Nessus | Oracle Linux Local Security Checks | critical |
99733 | Debian DLA-922-1 : linux security update | Nessus | Debian Local Security Checks | high |
97987 | Virtuozzo 7 : readykernel-patch (VZA-2017-021) | Nessus | Virtuozzo Local Security Checks | high |
97986 | Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-019) | Nessus | Virtuozzo Local Security Checks | high |