CVE-2016-6516
CVSS V2 Medium 4.4
CVSS V3 High 7.4
Description
Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.
Overview
- CVE ID
- CVE-2016-6516
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2016-08-06T20:59:15
- Last Modified Date
- 2016-11-28T20:33:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.7 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.4
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 1.4
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20 | Patch |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20 | Patch |
| http://www.openwall.com/lists/oss-security/2016/07/31/6 | Release Notes |
| https://bugzilla.redhat.com/show_bug.cgi?id=1362457 | Issue Tracking Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/92259 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2016-6516 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6516 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 10:03:59 | Added to TrackCVE | |||
| 2022-12-02 10:47:37 | 2016-08-06T20:59Z | 2016-08-06T20:59:15 | CVE Published Date | updated |
| 2022-12-02 10:47:37 | 2016-11-28T20:33:32 | CVE Modified Date | updated | |
| 2022-12-02 10:47:37 | Modified | Vulnerability Status | updated |