CVE Vulnerability

CVE-2019-18198

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 Release Notes Vendor Advisory
https://launchpad.net/bugs/1847478 Exploit Issue Tracking
https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26 Patch Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 Patch Vendor Advisory
https://usn.ubuntu.com/4161-1/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Information

Published : 2019-10-18 10:15

Updated : 2023-01-20 06:48

NVD link : CVE-2019-18198

Mitre link : CVE-2019-18198

Products Affected
No products.
CWE
CWE-772