National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-8956 Detail

Current Description

In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Release Notes Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Release Notes Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 Mailing List Patch Vendor Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Exploit Third Party Advisory
https://support.f5.com/csp/article/K12671141
https://usn.ubuntu.com/3930-1/ Third Party Advisory
https://usn.ubuntu.com/3930-2/ Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free NIST  

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:linux:linux_kernel
     Show Matching CPE(s)
Up to (excluding)
4.19.21
 cpe:/o:linux:linux_kernel
     Show Matching CPE(s)
From (including)
4.19.22
Up to (excluding)
4.20.8

Configuration 2 ( hide )
 cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:18.10
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-8956
NVD Published Date:
04/01/2019
NVD Last Modified:
06/14/2019