CVE-2017-10661

high

Published 2017-08-19 · Modified 2026-05-13

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CVSS v3

7.0

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.0

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.

Predictions

Exploit likelihood

100%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-43345 local linux

anonymous · 2017-12-15

Linux kernel < 4.10.15 - Race Condition Privilege Escalation

Source code queued for fetch — refresh in a moment.

OS impact

Linux kernel Affected 1 release

Version	Status	Fixed in
—	Affected	`3.2.92`

Red Hat Affected 1 release

Version	Status	Fixed in
7.0	Affected	—

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Mixed 7 releases

Version	Status	Fixed in
trixie	Fixed	`4.9.30-1`
sid	Fixed	`4.9.30-1`
forky	Fixed	`4.9.30-1`
bullseye	Fixed	`4.9.30-1`
bookworm	Fixed	`4.9.30-1`
9.0	Affected	—
8.0	Affected	—

References

CWEs

CWE-416

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.