CVE Database›Document archive›CVE-2026-46145

CVE-2026-46145

kernel: RDMA/mana: Validate rx_hash_key_len

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Severity

Important

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · May 28, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's RDMA/mana component. A local user could exploit this vulnerability by providing an invalid rx_hash_key_len value through a user-space API (uAPI) structure. This invalid value is then used in a memcpy operation without proper bounds checking, allowing the user to write beyond intended memory boundaries. This can lead to kernel memory corruption, potentially resulting in privilege escalation or a denial of service (DoS).

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-787 · Out-of-bounds Write