CVE-2026-98227
kernel: memstick: ms_block: destroy io_queue workqueue on removal
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 6, 2026
Updated · October 9, 2026
Description
A flaw was found in the Linux kernel's MemoryStick block driver. The driver fails to release its internal input/output work queue when a card is removed from the system. A local attacker with physical access could exploit this flaw by repeatedly inserting and removing storage cards, gradually exhausting kernel memory and causing 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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime