CVE-2017-5669

MEDIUM

Description

The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.

References

http://www.debian.org/security/2017/dsa-3804

http://www.securityfocus.com/bid/96754

http://www.securitytracker.com/id/1037918

https://bugzilla.kernel.org/show_bug.cgi?id=192931

https://github.com/torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8

https://github.com/torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7

https://usn.ubuntu.com/3583-1/

https://usn.ubuntu.com/3583-2/

Details

Source: MITRE

Published: 2017-02-24

Updated: 2020-10-09

Risk Information

CVSS v2.0

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.1/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

Tenable Plugins

View all (24 total)

IDNameProductFamilySeverity
124825EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1502)NessusHuawei Local Security Checks
high
124795EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1471)NessusHuawei Local Security Checks
high
107003Ubuntu 14.04 LTS : linux vulnerabilities (USN-3583-1) (Meltdown)NessusUbuntu Local Security Checks
critical
103354SUSE SLES11 Security Update : kernel (SUSE-SU-2017:2525-1) (Stack Clash)NessusSuSE Local Security Checks
critical
102774OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0145) (Stack Clash)NessusOracleVM Local Security Checks
critical
102773Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3609) (Stack Clash)NessusOracle Linux Local Security Checks
critical
101929Ubuntu 16.04 LTS : linux-hwe vulnerabilities (USN-3361-1)NessusUbuntu Local Security Checks
critical
100320SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:1360-1)NessusSuSE Local Security Checks
critical
100238OracleVM 3.2 : Unbreakable / etc (OVMSA-2017-0106)NessusOracleVM Local Security Checks
critical
100237OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0105)NessusOracleVM Local Security Checks
critical
100235Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2017-3567)NessusOracle Linux Local Security Checks
critical
100234Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3566)NessusOracle Linux Local Security Checks
critical
100214SUSE SLES11 Security Update : kernel (SUSE-SU-2017:1301-1)NessusSuSE Local Security Checks
high
100150SUSE SLES12 Security Update : kernel (SUSE-SU-2017:1247-1)NessusSuSE Local Security Checks
critical
99902EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1057)NessusHuawei Local Security Checks
high
99901EulerOS 2.0 SP2 : kernel (EulerOS-SA-2017-1056)NessusHuawei Local Security Checks
high
99658Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3265-2)NessusUbuntu Local Security Checks
high
99657Ubuntu 16.04 LTS : linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities (USN-3265-1)NessusUbuntu Local Security Checks
high
99418Amazon Linux AMI : kernel (ALAS-2017-814)NessusAmazon Linux Local Security Checks
high
99157openSUSE Security Update : the Linux Kernel (openSUSE-2017-419)NessusSuSE Local Security Checks
high
97677Fedora 25 : kernel (2017-387ff46a66)NessusFedora Local Security Checks
high
97675Fedora 24 : kernel (2017-2e1f3694b2)NessusFedora Local Security Checks
high
97640Debian DLA-849-1 : linux security updateNessusDebian Local Security Checks
high
97615Debian DSA-3804-1 : linux - security updateNessusDebian Local Security Checks
high