CVE-2022-45934 Integer overflow in n/a

What is CVE-2022-45934?

CVE-2022-45934 is a high-severity vulnerability in Debian Debian Linux, published on 27 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.

Weakness: CWE-190

Which versions are affected by CVE-2022-45934?

It affects 8 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 2 more.

How do I fix CVE-2022-45934?

Apply the vendor's patch.

Is CVE-2022-45934 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45934 exists.

Public exploit code: 3 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-11518, DEBIAN-CVE-2022-45934, GHSA-773f-hc4g-6h8g, UBUNTU-CVE-2022-45934.