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CVE-2022-26878

kernel: Memory leak in Linux VirtIO Bluetooth driver

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 11, 2022

Updated · November 21, 2025

Description

A memory leak problem was found in the virtbt_rx_handle in drivers/bluetooth/virtio_bt.c in the Linux kernel. This flaw allows a local attacker to cause a denial of service on the reception of packets with an invalid packet type.

Statement

There was no shipped kernel version that was seen affected by this problem.

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

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

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-401 · Missing Release of Memory after Effective Lifetime