CVE-2022-42896

High

Description

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

SeverityHigh
CVSS8.0
Exploit probability—
ProductLinux Kernel
PublishedNov 23, 2022
First seenNov 23, 2022

How to fix

Update
  • linux linux_kernel4.9.335, 4.14.301, 4.19.268, 5.4.226, 5.10.154, 5.15.78, 6.0.8 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 4.9.335, 4.10 ≤ v < 4.14.301, 4.15 ≤ v < 4.19.268, 4.20 ≤ v < 5.4.226, 5.5 ≤ v < 5.10.154, 5.11 ≤ v < 5.15.78, 5.16 ≤ v < 6.0.84.9.335, 4.14.301, 4.19.268, 5.4.226, 5.10.154, 5.15.78, 6.0.8

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.