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CVE-2024-50029

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync This checks if the ACL connection remains valid as it could be destroye…

Published Oct 21, 2024CWE-416EPSS 0.37%

Overview

CVE-2024-50029 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync

This checks if the ACL connection remains valid as it could be destroyed

while hci_enhanced_setup_sync is pending on cmd_sync leading to the

following trace:

BUG: KASAN: slab-use-after-free in hci_enhanced_setup_sync+0x91b/0xa60

Read of size 1 at addr ffff888002328ffd by task kworker/u5:2/37

CPU: 0 UID: 0 PID: 37 Comm: kworker/u5:2 Not tainted 6.11.0-rc6-01300-g810be445d8d6 #7099

Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014

Workqueue: hci0 hci_cmd_sync_work

Call Trace:

<TASK>

dump_stack_lvl+0x5d/0x80

? hci_enhanced_setup_sync+0x91b/0xa60

print_report+0x152/0x4c0

? hci_enhanced_setup_sync+0x91b/0xa60

? __virt_addr_valid+0x1fa/0x420

? hci_enhanced_setup_sync+0x91b/0xa60

kasan_report+0xda/0x1b0

? hci_enhanced_setup_sync+0x91b/0xa60

hci_enhanced_setup_sync+0x91b/0xa60

? __pfx_hci_enhanced_setup_sync+0x10/0x10

? __pf

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/18fd04ad856df07733f5bb07e7f7168e7443d393Refgit.kernel.org/stable/c/867639300759e3e1c5b1e1a5ff89231f263a32a7Refgit.kernel.org/stable/c/98ccd44002d88cbf4edfc4480df532a3da5a013e

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50029?

CVE-2024-50029 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-50029?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-50029?

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-2024-50029?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50029 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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