CVE-2022-26878
kernel: Memory leak in Linux VirtIO Bluetooth driver
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS: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