CVE-2024-35966: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064

Affected products

• Linux Linux Kernel: from 2.6.30, before 5.10.234 (fixed in 5.10.234); from 5.11, before 5.15.178 (fixed in 5.15.178); from 5.16, before 6.1.107 (fixed in 6.1.107); from 6.2, before 6.6.47 (fixed in 6.6.47); from 6.7, before 6.8.7 (fixed in 6.8.7); version 6.9 only

Published 2024-05-20. Last modified 2026-06-17.