CVE-2026-98212
kernel: mmc: hsq: Fix use-after-free in retry work
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 MultiMediaCard (MMC) host software queue. A local user could exploit a use-after-free vulnerability when pending retry operations are not cancelled before device removal, allowing tasks to access memory after it has been released. This issue can lead to a Denial of Service (DoS) through a system crash or potential privilege escalation.
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-825 · Expired Pointer Dereference