CVE-2026-46026
kernel: net: qrtr: ns: Limit the maximum number of lookups
Severity
LowRed Hat Product Security
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 QRTR (Qualcomm IPC Router) nameserver. A malicious local client can exploit this by sending an unbounded number of NEW_LOOKUP messages. This can lead to resource exhaustion, causing a Denial of Service (DoS) for the system. The vulnerability is addressed by implementing a limit on the maximum number of lookups.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-770 · Allocation of Resources Without Limits or Throttling