National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-6927 Detail

Current Description

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.

Source:  MITRE
Description Last Modified:  02/12/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a Patch Third Party Advisory
http://www.securityfocus.com/bid/103023 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:0654
https://access.redhat.com/errata/RHSA-2018:0676
https://access.redhat.com/errata/RHSA-2018:1062
https://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3697-1/
https://usn.ubuntu.com/3697-2/
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3698-2/
https://www.debian.org/security/2018/dsa-4187
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15 Release Notes Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6927
NVD Published Date:
02/12/2018
NVD Last Modified:
07/12/2018