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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-20856 Detail

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html CVE, MITRE
http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html CVE, MITRE
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html CVE, MITRE
https://access.redhat.com/errata/RHSA-2019:3055 CVE, MITRE
https://access.redhat.com/errata/RHSA-2019:3076 CVE, MITRE
https://access.redhat.com/errata/RHSA-2019:3089 CVE, MITRE
https://access.redhat.com/errata/RHSA-2019:3217 CVE, MITRE
https://access.redhat.com/errata/RHSA-2020:0100 CVE, MITRE
https://access.redhat.com/errata/RHSA-2020:0103 CVE, MITRE
https://access.redhat.com/errata/RHSA-2020:0543 CVE, MITRE
https://access.redhat.com/errata/RHSA-2020:0664 CVE, MITRE
https://access.redhat.com/errata/RHSA-2020:0698 CVE, MITRE
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7 CVE, MITRE Mailing List  Release Notes  Vendor Advisory 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24 CVE, MITRE Mailing List  Patch  Vendor Advisory 
https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24 CVE, MITRE Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html CVE, MITRE
https://seclists.org/bugtraq/2019/Aug/18 CVE, MITRE
https://seclists.org/bugtraq/2019/Aug/26 CVE, MITRE
https://security.netapp.com/advisory/ntap-20190905-0002/ CVE, MITRE
https://support.f5.com/csp/article/K14673240?utm_source=f5support&amp%3Butm_medium=RSS CVE, MITRE
https://usn.ubuntu.com/4094-1/ CVE, MITRE
https://usn.ubuntu.com/4116-1/ CVE, MITRE
https://usn.ubuntu.com/4118-1/ CVE, MITRE
https://www.debian.org/security/2019/dsa-4497 CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

22 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20856
NVD Published Date:
07/26/2019
NVD Last Modified:
11/20/2024
Source:
MITRE