What is CVE-2017-10661?

CVE-2017-10661 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2017-10661 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-10661?

CVE-2017-10661 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-10661?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2017-10661 patch availability.

Is CVE-2017-10661 actively exploited?

CVE-2017-10661 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2017-10661

High

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

Package Linux Kernel

Published 2017-08-19

Last modified 2026-05-13

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type

CWE-416

CVE-2017-10661 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

13 total

Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15

Release Notes Vendor Advisory
Source
https://source.android.com/security/bulletin/2017-08-01

Patch Vendor Advisory
Kernel Git
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6

Issue Tracking Patch Third Party Advisory
GitHub
https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6

Issue Tracking Patch Third Party Advisory
Debian Security
http://www.debian.org/security/2017/dsa-3981

Mailing List Third Party Advisory

Showing 5 of 13 references View all on NVD

Details

CVE ID CVE-2017-10661

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2017-08-19

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-10661?

CVE-2017-10661 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2017-10661 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-10661?

CVE-2017-10661 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-10661?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2017-10661 patch availability.
Is CVE-2017-10661 actively exploited?

No. CVE-2017-10661 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.