CVE-2024-42133 Bluetooth: Ignore too large handle values in BIG

What is CVE-2024-42133?

CVE-2024-42133 is a high-severity vulnerability in Linux kernel, published on 30 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: Ignore too large handle values in BIG

hci_le_big_sync_established_evt is necessary to filter out cases where the handle value is belonging to ida id range, otherwise ida will be erroneously released in hci_conn_cleanup.

Which versions are affected by CVE-2024-42133?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-42133?

Apply the vendor's patch.

Is CVE-2024-42133 being exploited?

There is no known exploitation of CVE-2024-42133 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 BELL-CVE-2024-42133, DEBIAN-CVE-2024-42133, GHSA-r5mq-jg2w-g597, UBUNTU-CVE-2024-42133.