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CVE-2024-50227

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan() KASAN reported following issue: BUG: KASAN: sta…

Published Nov 9, 2024CWE-125EPSS 0.22%

Overview

CVE-2024-50227 is a high-severity vulnerability. It was published on November 9, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan()

KASAN reported following issue:

BUG: KASAN: stack-out-of-bounds in tb_retimer_scan+0xffe/0x1550 [thunderbolt]

Read of size 4 at addr ffff88810111fc1c by task kworker/u56:0/11

CPU: 0 UID: 0 PID: 11 Comm: kworker/u56:0 Tainted: G U 6.11.0+ #1387

Tainted: [U]=USER

Workqueue: thunderbolt0 tb_handle_hotplug [thunderbolt]

Call Trace:

<TASK>

dump_stack_lvl+0x6c/0x90

print_report+0xd1/0x630

kasan_report+0xdb/0x110

__asan_report_load4_noabort+0x14/0x20

tb_retimer_scan+0xffe/0x1550 [thunderbolt]

tb_scan_port+0xa6f/0x2060 [thunderbolt]

tb_handle_hotplug+0x17b1/0x3080 [thunderbolt]

process_one_work+0x626/0x1100

worker_thread+0x6c8/0xfa0

kthread+0x2c8/0x3a0

ret_from_fork+0x3a/0x80

ret_from_fork_asm+0x1a/0x30

This happens because the loop variable still gets incremented by one so

max becomes 3 instead of

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/08b2771e9270fbe1ed4fbbe93abe05ac7fe9861dRefgit.kernel.org/stable/c/e9e1b20fae7de06ba36dd3f8dba858157bad233d

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50227?

CVE-2024-50227 is a high-severity vulnerability. It was published on November 9, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-50227?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-50227?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-50227?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50227 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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