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CVE-2026-63860

kernel: RDMA/core: Prefer NLA_NUL_STRING

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 19, 2026

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel's RDMA/core component. This vulnerability arises from the improper handling of Netlink Attribute (NLA) strings, where attributes evaluated as C-strings do not properly check for a null terminator. A local attacker could potentially provide specially crafted input, leading to unexpected behavior or information disclosure due to out-of-bounds reads during string comparisons.

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-125 · Out-of-bounds Read