CVE-2018-21008
kernel: use-after-free can be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 4, 2019
Updated · June 28, 2026
Description
A use-after-free flaw was found in the Linux kernel's Redpine Signals driver implementation. A local attacker who is able force a module load (rsi_sdio) or usb plug/unplug could cause a system crash or memory corruption leading to privilege escalation. The highest threat from this vulnerability is to system availability.
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 3.0 · 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-416 · Use After Free