Home

CVE-2019-18198

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.

Risk Information

Base Score
7.8
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.103

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel (USN-4161-1) linux-image-aws_5.3.0.1004.5_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-gcp_5.3.0.1005.5_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-gke_5.3.0.1005.5_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-kvm_5.3.0.1004.4_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-azure_5.3.0.1004.21_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-generic_5.3.0.19.22_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-virtual_5.3.0.19.22_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-lowlatency_5.3.0.19.22_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-1004-aws_5.3.0-1004.4_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-1004-kvm_5.3.0-1004.4_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-1005-gcp_5.3.0-1005.5_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-1004-azure_5.3.0-1004.4_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-19-generic_5.3.0-19.20_amd64.debLinux
Linux kernel (USN-4161-1) linux-image-5.3.0-19-lowlatency_5.3.0-19.20_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234