4.9
CVSSv2

CVE-2018-17972

Published: 03/10/2018 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N

Vulnerability Summary

An issue exists in the proc_pid_stack function in fs/proc/base.c in the Linux kernel up to and including 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local malicious user to exploit racy stack unwinding and leak kernel task stack contents.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

linux linux kernel

canonical ubuntu linux 16.04

canonical ubuntu linux 14.04

canonical ubuntu linux 12.04

canonical ubuntu linux 18.04

canonical ubuntu linux 18.10

redhat enterprise linux desktop 7.0

redhat enterprise linux workstation 7.0

redhat enterprise linux server 7.0

redhat enterprise linux server tus 7.6

redhat enterprise linux server eus 7.6

redhat enterprise linux server aus 7.6

redhat enterprise linux server 7.6

debian debian linux 8.0

Vendor Advisories

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) b ...
Synopsis Important: kernel-alt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System ...
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (C ...
An issue was discovered in the proc_pid_stack function in fs/proc/basec in the Linux kernel An attacker with a local account can trick the stack unwinder code to leak stack contents to userspace The fix allows only root to inspect the kernel stack of an arbitrary task(CVE-2018-17972) A vulnerability was discovered in the Linux kernel that allow ...
An issue was discovered in the proc_pid_stack function in fs/proc/basec in the Linux kernel An attacker with a local account can trick the stack unwinder code to leak stack contents to userspace The fix allows only root to inspect the kernel stack of an arbitrary task(CVE-2018-17972) A vulnerability was discovered in the Linux kernel that allow ...
An issue was discovered in the proc_pid_stack function in fs/proc/basec in the Linux kernel An attacker with a local account can trick the stack unwinder code to leak stack contents to userspace The fix allows only root to inspect the kernel stack of an arbitrary task ...
Multiple regressions were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...
Several security issues were fixed in the Linux kernel ...