CVE-2018-14609

HIGH

Description

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.

References

http://www.securityfocus.com/bid/104917

https://bugzilla.kernel.org/show_bug.cgi?id=199833

https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html

https://patchwork.kernel.org/patch/10500521/

https://usn.ubuntu.com/3821-1/

https://usn.ubuntu.com/3821-2/

https://usn.ubuntu.com/4094-1/

https://usn.ubuntu.com/4118-1/

https://www.debian.org/security/2018/dsa-4308

Details

Source: MITRE

Published: 2018-07-27

Updated: 2019-08-13

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 7.1

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

Impact Score: 6.9

Exploitability Score: 8.6

Severity: HIGH

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (10 total)

IDNameProductFamilySeverity
128478Ubuntu 16.04 LTS / 18.04 LTS : linux-aws vulnerabilities (USN-4118-1)NessusUbuntu Local Security Checks
critical
127889Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4094-1)NessusUbuntu Local Security Checks
high
124800EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1476)NessusHuawei Local Security Checks
high
122802Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4570)NessusOracle Linux Local Security Checks
low
122045Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2019-4533)NessusOracle Linux Local Security Checks
high
122044Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4532)NessusOracle Linux Local Security Checks
medium
118972Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3821-2)NessusUbuntu Local Security Checks
medium
118971Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3821-1)NessusUbuntu Local Security Checks
medium
117908Debian DLA-1531-1 : linux-4.9 security updateNessusDebian Local Security Checks
high
117862Debian DSA-4308-1 : linux - security updateNessusDebian Local Security Checks
high