CVE-2022-42895 Info Leak in l2cap_core in the Linux Kernel

What is CVE-2022-42895?

CVE-2022-42895 is a medium-severity vulnerability in Linux kernel, published on 23 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit  https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url

Weakness: CWE-824

Which versions are affected by CVE-2022-42895?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-42895?

Apply the vendor's patch.

Is CVE-2022-42895 being exploited?

There is no known exploitation of CVE-2022-42895 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2022-42895, GHSA-48h7-cvhw-3w6x, UBUNTU-CVE-2022-42895.