CVE-2026-45917

kernel: ipvs: do not keep dest_dst if dev is going down

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 27, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's IP Virtual Server (IPVS) component. A race condition exists between the network device notifier and the destination cache when a device is shutting down. This can lead to a leaked device reference, potentially causing system instability or a denial of service (DoS) due to resource exhaustion.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition