CVE-2019-18198

 

Published at: - 19-10-2019 12:15

Last modified: - 20-01-2023 07:48

Total changes: - 4

Description

In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
• https://launchpad.net/bugs/1847478
• https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26
• USN-4161-1-Third Party Advisory
• https://security.netapp.com/advisory/ntap-20191031-0005/

 

Keywords

NVD

 

CVE-2019-18198

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures