CVE-2017-7495
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.
Overview
- CVE ID
- CVE-2017-7495
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2017-05-15T18:29:00
- Last Modified Date
- 2023-02-12T23:30:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.6.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-7495 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7495 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 08:38:12 | Added to TrackCVE | |||
| 2022-12-02 16:57:16 | 2017-05-15T18:29Z | 2017-05-15T18:29:00 | CVE Published Date | updated |
| 2022-12-02 16:57:16 | 2017-09-09T01:29:03 | CVE Modified Date | updated | |
| 2022-12-02 16:57:16 | Modified | Vulnerability Status | updated | |
| 2023-02-02 22:06:56 | 2023-02-02T21:17:46 | CVE Modified Date | updated | |
| 2023-02-02 22:06:56 | fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file. | A vulnerability was found in the Linux kernel where filesystems mounted with data=ordered mode may allow an attacker to read stale data from recently allocated blocks in new files after a system 'reset' by abusing ext4 mechanics of delayed allocation. | Description | updated |
| 2023-02-02 22:06:57 | References | updated | ||
| 2023-02-13 00:06:28 | 2023-02-12T23:30:13 | CVE Modified Date | updated | |
| 2023-02-13 00:06:28 | A vulnerability was found in the Linux kernel where filesystems mounted with data=ordered mode may allow an attacker to read stale data from recently allocated blocks in new files after a system 'reset' by abusing ext4 mechanics of delayed allocation. | fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file. | Description | updated |