Vulnerability · Published Aug 8, 2021 · Assigned by mitre
CVE-2021-38206
Medium 5.5
In plain English
A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 80.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38206 |
| Debian:13 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38206 |
| Debian:14 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38206 |