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Vendor Workaround
Disable the SSSD autofs responder if automount maps are not served through SSSD in your environment. To stop and disable the socket-activated autofs responder, run: # systemctl stop sssd-autofs.socket sssd-autofs.service # systemctl mask sssd-autofs.socket If the autofs responder is explicitly configured in /etc/sssd/sssd.conf, remove autofs from the services line and restart SSSD. If the responder must remain enabled, restrict access to the autofs responder socket to trusted local clients only. Closing long-lived client connections or restarting the responder reclaims the retained memory, but this is operational containment rather than a complete fix. Note that disabling the autofs responder prevents the resolution and mounting of automount maps managed via SSSD, and stopping or restarting SSSD services will briefly interrupt active identity lookups and automount operations.
Tracking
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Tue, 06 Oct 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Red Hat
Red Hat enterprise Linux Redhat openshift Container Platform Sssd Sssd sssd |
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| Vendors & Products |
Red Hat
Red Hat enterprise Linux Redhat openshift Container Platform Sssd Sssd sssd |
Tue, 06 Oct 2026 14:30:00 +0000
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| Metrics |
ssvc
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Tue, 06 Oct 2026 12:15:00 +0000
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| References |
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| Metrics |
threat_severity
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threat_severity
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Tue, 06 Oct 2026 00:45:00 +0000
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| Description | A flaw was found in SSSD. In configurations where the autofs responder service is enabled, memory allocated during successful request processing is not released until the client connection terminates. A local attacker can exploit this vulnerability by maintaining an open connection and repeatedly submitting valid requests, leading to memory exhaustion and a Denial of Service (DoS). | |
| Title | Sssd: sssd: denial of service via memory exhaustion in autofs responder | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift |
|
| Weaknesses | CWE-772 | |
| CPEs | cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift |
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| References |
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| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-16T10:57:25.185Z
Reserved: 2026-10-01T17:20:25.333Z
Link: CVE-2026-104031
Updated: 2026-10-06T13:01:42.538Z
Status : Awaiting Analysis
Published: 2026-10-06T01:16:33.843
Modified: 2026-10-06T15:09:20.387
Link: CVE-2026-104031
OpenCVE Enrichment
Updated: 2026-10-06T20:45:05Z
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CWE-772
Missing Release of Resource after Effective Lifetime