Vulnerability · Published Feb 9, 2022 · Assigned by intel
CVE-2021-33139
Medium 5.7
In plain English
A medium-severity security flaw in Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper conditions check in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100 may allow an authenticated user to potentially enable denial of service via adjacent access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33139 |
| Ubuntu:24.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33139 |
| Ubuntu:25.10 | linux-firmware | no fix listed | UBUNTU-CVE-2021-33139 |
| Ubuntu:26.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33139 |
| Ubuntu:26.10 | linux-firmware | no fix listed | UBUNTU-CVE-2021-33139 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products | before version 22.100 |
Weakness: CWE-754 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H