CVE-2017-10661 EXPLOIT
7.0
HIGH · CVSS 3.1 · EPSS 13.4% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.0 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 13.38% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-08-19 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| debian | debian linux |
| linux | linux kernel |
| redhat | enterprise linux |
| redhat | enterprise linux aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server for power little endian update services for sap solutions |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux kernel < 4.10.15 - Race Condition Privilege Escalation | 2017-12-15 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
- http://www.securityfocus.com/bid/100215
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://access.redhat.com/errata/RHSA-2019:4057
- https://access.redhat.com/errata/RHSA-2019:4058
- https://access.redhat.com/errata/RHSA-2020:0036
- https://bugzilla.redhat.com/show_bug.cgi?id=1481136
- https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6
- https://source.android.com/security/bulletin/2017-08-01
- https://www.exploit-db.com/exploits/43345/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
- http://www.securityfocus.com/bid/100215
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://access.redhat.com/errata/RHSA-2019:4057
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