CVE-2021-35093 — MEDIUM (6.5)

Vulnerability Description

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qualcomm	Csr8510 A10 Firmware	-
Qualcomm	Csr8510 A10	-
Qualcomm	Csr8811 A12 Firmware	-
Qualcomm	Csr8811 A12	-

Related Weaknesses (CWE)

CWE-787

References

https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletVendor Advisory

FAQ

What is CVE-2021-35093?

CVE-2021-35093 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

How severe is CVE-2021-35093?

CVE-2021-35093 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-35093?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Csr8510 A10 Firmware, Qualcomm Csr8510 A10, Qualcomm Csr8811 A12 Firmware, Qualcomm Csr8811 A12.