CVE-2019-20096

MEDIUM

Description

In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d3ff0950e2b40dc861b1739029649d03f591820

https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

https://usn.ubuntu.com/4285-1/

https://usn.ubuntu.com/4286-1/

https://usn.ubuntu.com/4286-2/

https://usn.ubuntu.com/4287-1/

https://usn.ubuntu.com/4287-2/

Details

Source: MITRE

Published: 2019-12-30

Updated: 2020-08-24

Type: CWE-401

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM