CVE-2019-19462 Detail

Current Description

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


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/2020-06/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lore.kernel.org/lkml/20191129013745.7168-1-dja@axtens.net/ Exploit  Patch  Vendor Advisory 
https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8 Third Party Advisory 
https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531 Third Party Advisory 
https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046 Third Party Advisory 
https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7b Third Party Advisory 
https://usn.ubuntu.com/4414-1/
https://usn.ubuntu.com/4425-1/
https://usn.ubuntu.com/4439-1/
https://usn.ubuntu.com/4440-1/
https://www.debian.org/security/2020/dsa-4698
https://www.debian.org/security/2020/dsa-4699

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-19462
NVD Published Date:
11/29/2019
NVD Last Modified:
08/04/2020
Source:
MITRE