CVE-2022-49022
kernel: wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · October 31, 2026
Description
A flaw was found in the Linux kernel's mac80211 wireless networking subsystem. An out-of-bounds memory read can occur during airtime calculation when handling transmission rate data. An attacker could exploit this vulnerability by triggering malformed wireless frame status updates, leading to a system crash and Denial of Service (DoS), or potentially exposing sensitive kernel memory.
Statement
This issue is considered to be a moderate impact flaw, as the exploitation in this will not cause an Intigrity (I:L) threat with the available usecase.
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 · 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-129 · Improper Validation of Array Index