🛡️ CVE-2022-42720 — debian-linux
Description
Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Affected software
CVE-2022-42720 is recorded against 4 packages.
- :linux-kernel: (from :0 up to :2023-01-05)
- debian-linux
- fedora
- linux-kernel (from 6.0 up to 6.0.2)
Timeline and source
Published on 1 January 2023 and last revised on 11 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.
References
source.android.com (Advisory)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
android.googlesource.com (Fix)
CVE-2022-42720 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| :linux-kernel: | :0 | :2023-01-05 |
| debian-linux | — | — |
| fedora | — | — |
| linux-kernel | 6.0 | 6.0.2 |
References
Similar Threats
- Unknown CVE-2020-29374
- Unknown CVE-2020-0465
- Unknown CVE-2018-25020
- Unknown CVE-2020-27068
- Unknown CVE-2021-0707
Site Security Check
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