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CVE-2021-38206

Date: August 8, 2021

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.

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2021-38206
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
https://access.redhat.com/security/cve/CVE-2021-38206
https://nvd.nist.gov/vuln/detail/CVE-2021-38206
https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-38206
https://www.mend.io/vulnerability-database/CVE-2021-38206

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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