CVE-2020-12657
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.
Overview
- CVE ID
- CVE-2020-12657
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2020-05-05T07:15:10
- Last Modified Date
- 2020-06-13T09:15:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.6.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
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-5.6.5 | Release Notes Vendor Advisory |
| https://patchwork.kernel.org/patch/11447049/ | Patch Vendor Advisory |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9 | Patch Vendor Advisory |
| https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9 | Patch Third Party Advisory |
| https://usn.ubuntu.com/4367-1/ | |
| https://usn.ubuntu.com/4368-1/ | |
| https://usn.ubuntu.com/4363-1/ | |
| https://usn.ubuntu.com/4369-1/ | |
| https://security.netapp.com/advisory/ntap-20200608-0001/ | |
| http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-12657 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12657 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:42:43 | Added to TrackCVE | |||
| 2022-12-04 16:06:30 | 2020-05-05T07:15Z | 2020-05-05T07:15:10 | CVE Published Date | updated |
| 2022-12-04 16:06:30 | 2020-06-13T09:15:13 | CVE Modified Date | updated | |
| 2022-12-04 16:06:30 | Modified | Vulnerability Status | updated |