CVE-2024-50024

MEDIUM

Linux Kernel - Denial of Service via Unsafe List Loop in netlink_update_socket_mc

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Call Trace: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list.

References (10)

Core 10
Core References

Scores

CVSS v3 5.5
EPSS 0.0026
EPSS Percentile 18.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (27)
linux/Kernel 2.6.32 - 4.19.323linux
linux/Kernel 4.20.0 - 5.4.285linux
linux/Kernel 5.11.0 - 5.15.168linux
linux/Kernel 5.16.0 - 6.1.113linux
linux/Kernel 5.5.0 - 5.10.227linux
linux/Kernel 6.2.0 - 6.6.57linux
linux/Kernel 6.7.0 - 6.11.4linux
Linux/Linux < 2.6.32
Linux/Linux 2.6.32
Linux/Linux 4.19.323 - 4.19.*
... and 17 more
Published Oct 21, 2024
Tracked Since Feb 18, 2026