CVE-2024-50024

net: Fix an unsafe loop on the list

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.04%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/464801a0f6ccb52b21faa33bac6014fd74cc5e10
https://git.kernel.org/stable/c/8e0766fcf37ad8eed289dd3853628dd9b01b58b0
https://git.kernel.org/stable/c/68ad5da6ca630a276f0a5c924179e57724d00013	patch
https://git.kernel.org/stable/c/1cdec792b2450105b1314c5123a9a0452cb2c2f0	patch
https://git.kernel.org/stable/c/5f03a7f601f33cda1f710611625235dc86fd8a9e	patch
https://git.kernel.org/stable/c/3be342e0332a7c83eb26fbb22bf156fdca467a5d	patch
https://git.kernel.org/stable/c/49f9b726bf2bf3dd2caf0d27cadf4bc1ccf7a7dd	patch
https://git.kernel.org/stable/c/1dae9f1187189bc09ff6d25ca97ead711f7e26f9	patch

Frequently Asked Questions

What is the severity of CVE-2024-50024?: CVE-2024-50024 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50024?: To fix CVE-2024-50024, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50024 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-50024 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50024?: CVE-2024-50024 affects Linux Linux, Linux Linux.

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