CVE-2018-17972 Detail

Current Description

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


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
http://www.securityfocus.com/bid/105525 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2019:0512 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0514 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0831
https://access.redhat.com/errata/RHSA-2019:2473
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2 Patch  Third Party Advisory 
https://support.f5.com/csp/article/K27673650?utm_source=f5support&utm_medium=RSS
https://usn.ubuntu.com/3821-1/ Third Party Advisory 
https://usn.ubuntu.com/3821-2/ Third Party Advisory 
https://usn.ubuntu.com/3832-1/ Third Party Advisory 
https://usn.ubuntu.com/3835-1/ Third Party Advisory 
https://usn.ubuntu.com/3871-1/ Third Party Advisory 
https://usn.ubuntu.com/3871-3/ Third Party Advisory 
https://usn.ubuntu.com/3871-4/ Third Party Advisory 
https://usn.ubuntu.com/3871-5/ Third Party Advisory 
https://usn.ubuntu.com/3880-1/ Third Party Advisory 
https://usn.ubuntu.com/3880-2/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

23 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-17972
NVD Published Date:
10/03/2018
NVD Last Modified:
10/15/2020
Source:
MITRE