Vulnerability Intelligence Report
Info Leak in l2cap_core in the Linux Kernel
CVE-2022-42896
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
No Active Exploit Signals
CVSS Base Score
8.0
HIGH
Exploitability:1.7
Impact Score:5.8
EPSS Probability:2.01%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-416 ↗CWE-416 Use After Free
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Linux | Linux Kernel | 3.0.0 <= 711f8c3fb3db61897080468586b970c87c61d9e4 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.014%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Google LLC · Vendor · USA |
| Reserved | 2022-10-12T18:30:19 |
| Published | 2022-11-23T14:11:56 |
| Patch Date | 2022-11-02 |
| Last Updated | 2025-04-21T13:45:57 |
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