CVE-2019-18198
CVSS V2 High 7.2
CVSS V3 High 7.8
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.
Overview
- CVE ID
- CVE-2019-18198
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-10-18T22:15:14
- Last Modified Date
- 2023-01-20T18:48:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.3.4 | |
| cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 Third Party Advisory |
| 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/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-18198 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18198 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:00:27 | Added to TrackCVE | |||
| 2022-12-04 04:46:49 | 2019-10-18T22:15Z | 2019-10-18T22:15:14 | CVE Published Date | updated |
| 2022-12-04 04:46:49 | 2019-10-31T09:15:12 | CVE Modified Date | updated | |
| 2022-12-04 04:46:49 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-20 19:09:27 | 2023-01-20T18:48:43 | CVE Modified Date | updated | |
| 2023-01-20 19:09:27 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |