Null pointer dereference in Bluetooth HOST

published 2023-01-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-36342

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Transient DOS due to null pointer dereference in Bluetooth HOST while receiving an attribute protocol PDU with zero length data.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 19 mo ago (2025-04-09)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

qualcomm.com /company/product-security/bulletins/january-2023-bulletin
vendor-advisory

Sources

CVE List CVE-2022-33299
NVD CVE-2022-33299

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary