CVE-2017-2647
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
Overview
- CVE ID
- CVE-2017-2647
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2017-03-31T04:59:00
- Last Modified Date
- 2023-02-12T23:29:38
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 3.17.8 |
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 |
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 | Issue Tracking Patch Third Party Advisory |
| http://www.securityfocus.com/bid/97258 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:1842 | |
| https://access.redhat.com/errata/RHSA-2017:2077 | |
| https://access.redhat.com/errata/RHSA-2017:2437 | |
| https://access.redhat.com/errata/RHSA-2017:2444 | |
| https://access.redhat.com/errata/RHSA-2020:3548 | |
| https://access.redhat.com/errata/RHSA-2020:3836 | |
| https://access.redhat.com/security/cve/CVE-2017-2647 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1428353 | Issue Tracking Patch |
| https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 | Issue Tracking Patch Third Party Advisory |
| https://usn.ubuntu.com/3849-1/ | |
| https://usn.ubuntu.com/3849-2/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-2647 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2647 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:48:16 | Added to TrackCVE | |||
| 2022-12-02 15:16:30 | 2017-03-31T04:59Z | 2017-03-31T04:59:00 | CVE Published Date | updated |
| 2022-12-02 15:16:30 | 2019-01-15T11:29:00 | CVE Modified Date | updated | |
| 2022-12-02 15:16:30 | Modified | Vulnerability Status | updated | |
| 2023-02-02 23:06:05 | 2023-02-02T21:17:43 | CVE Modified Date | updated | |
| 2023-02-02 23:06:05 | The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c. | A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges. | Description | updated |
| 2023-02-02 23:06:06 | References | updated | ||
| 2023-02-13 00:06:14 | 2023-02-12T23:29:38 | CVE Modified Date | updated | |
| 2023-02-13 00:06:14 | A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges. | The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c. | Description | updated |