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Vulnerability record · CVE-2017-10661 · published 19 August 2017

CVE-2017-10661: Linux kernel use after free vulnerability

Linux · Linux Kernel

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.

7.0 CVSS 3.1 High EPSS 13% · top 3.7% CWE-416 · Use after free
7.0CVSS 3.1 base score, v2 7.6
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6 Issue TrackingPatchThird Party Advisory
http://www.debian.org/security/2017/dsa-3981 Mailing ListThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15 Release NotesVendor Advisory
http://www.securityfocus.com/bid/100215 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4057 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4058 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0036 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1481136 Issue Tracking
https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6 Issue TrackingPatchThird Party Advisory
https://source.android.com/security/bulletin/2017-08-01 PatchVendor Advisory
https://www.exploit-db.com/exploits/43345/ Third Party AdvisoryVDB Entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6 Issue TrackingPatchThird Party Advisory
http://www.debian.org/security/2017/dsa-3981 Mailing ListThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15 Release NotesVendor Advisory
http://www.securityfocus.com/bid/100215 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4057 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4058 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0036 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1481136 Issue Tracking
https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6 Issue TrackingPatchThird Party Advisory
https://source.android.com/security/bulletin/2017-08-01 PatchVendor Advisory
https://www.exploit-db.com/exploits/43345/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2017-10661), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.