Ubuntu.comUB:CVE-2021-38206CVE-2021-38206
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
12.7%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 21.04 | noarch | linux | < 5.11.0-34.36 | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-aws | < 5.11.0-1017.18 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.11 | < 5.11.0-1017.18~20.04.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-azure | < 5.11.0-1015.16 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.11 | < 5.11.0-1015.16~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-gcp | < 5.11.0-1018.20 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp-5.11 | < 5.11.0-1018.20~20.04.2 | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-gke | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gkeop | < any | UNKNOWN |
References
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48
launchpad.net/bugs/cve/CVE-2021-38206
nvd.nist.gov/vuln/detail/CVE-2021-38206
security-tracker.debian.org/tracker/CVE-2021-38206
ubuntu.com/security/notices/USN-5070-1
www.cve.org/CVERecord?id=CVE-2021-38206
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
12.7%