CVE-2017-10661

moderate-risk
Published 2017-08-19

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.

Do I need to act?

!
30.0% chance of exploitation in next 30 days
EPSS score — higher than 70% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
43345
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (7)

Affected Vendors

Debian Redhat Linux

References (26)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da...
Mailing List http://www.debian.org/security/2017/dsa-3981
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
Third Party Advisory http://www.securityfocus.com/bid/100215
Third Party Advisory 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
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1481136
Issue Tracking https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f...
Patch https://source.android.com/security/bulletin/2017-08-01
Third Party Advisory https://www.exploit-db.com/exploits/43345/
Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da...
Mailing List http://www.debian.org/security/2017/dsa-3981
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
Third Party Advisory http://www.securityfocus.com/bid/100215
Third Party Advisory 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
and 6 more references
47
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 15/34 · Moderate
Exposure 14/34 · Moderate