CVE-2019-19816

HIGH

Description

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.

References

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816

https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

https://security.netapp.com/advisory/ntap-20200103-0001/

https://usn.ubuntu.com/4414-1/

Details

Source: MITRE

Published: 2019-12-17

Updated: 2021-03-15

Type: CWE-787

Risk Information

CVSS v2.0

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Tenable Plugins

View all (12 total)

IDNameProductFamilySeverity
147532Debian DLA-2586-1 : linux security updateNessusDebian Local Security Checks
high
145516Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4709-1)NessusUbuntu Local Security Checks
high
145510Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4708-1)NessusUbuntu Local Security Checks
high
145458Amazon Linux AMI : kernel (ALAS-2021-1477)NessusAmazon Linux Local Security Checks
high
145456Amazon Linux 2 : kernel (ALAS-2021-1588)NessusAmazon Linux Local Security Checks
high
144207Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5995)NessusOracle Linux Local Security Checks
high
144097Debian DLA-2483-1 : linux-4.19 security updateNessusDebian Local Security Checks
high
141098Photon OS 2.0: Linux PHSA-2020-2.0-0287NessusPhotonOS Local Security Checks
high
141094Photon OS 3.0: Linux PHSA-2020-3.0-0145NessusPhotonOS Local Security Checks
high
141091Photon OS 1.0: Linux PHSA-2020-1.0-0329NessusPhotonOS Local Security Checks
high
140933Debian DLA-2385-1 : linux-4.19 security updateNessusDebian Local Security Checks
high
138139Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4414-1)NessusUbuntu Local Security Checks
high