CVE-2018-20669
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.
Overview
- CVE ID
- CVE-2018-20669
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-03-21T16:00:37
- Last Modified Date
- 2023-04-11T18:16:08
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.19.13 |
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
- 3.0
- Vector String
- CVSS:3.0/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://access.redhat.com/security/cve/cve-2018-20669 | Third Party Advisory |
| http://www.securityfocus.com/bid/106748 | Third Party Advisory VDB Entry |
| http://www.openwall.com/lists/oss-security/2019/01/23/6 | Exploit Mailing List Patch Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html | Mailing List Third Party Advisory |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c | Vendor Advisory Release Notes |
| https://security.netapp.com/advisory/ntap-20190404-0002/ | |
| https://support.f5.com/csp/article/K32059550 | |
| https://usn.ubuntu.com/4485-1/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-20669 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20669 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:24:21 | Added to TrackCVE | |||
| 2022-12-03 18:24:19 | 2019-03-21T16:00Z | 2019-03-21T16:00:37 | CVE Published Date | updated |
| 2022-12-03 18:24:19 | 2020-09-15T18:15:12 | CVE Modified Date | updated | |
| 2022-12-03 18:24:19 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-20 16:08:30 | 2023-01-20T15:50:38 | CVE Modified Date | updated | |
| 2023-01-20 16:08:31 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-04-12 00:12:11 | 2023-04-11T18:16:08 | CVE Modified Date | updated |