CVE-2024-49951

Bluetooth: MGMT: Fix possible crash on mgmt_index_removed

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix possible crash on mgmt_index_removed If mgmt_index_removed is called while there are commands queued on cmd_sync it could lead to crashes like the bellow trace: 0x0000053D: __list_del_entry_valid_or_report+0x98/0xdc 0x0000053D: mgmt_pending_remove+0x18/0x58 [bluetooth] 0x0000053E: mgmt_remove_adv_monitor_complete+0x80/0x108 [bluetooth] 0x0000053E: hci_cmd_sync_work+0xbc/0x164 [bluetooth] So while handling mgmt_index_removed this attempts to dequeue commands passed as user_data to cmd_sync.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.05%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/19b40ca62607cef78369549d1af091f2fd558931
https://git.kernel.org/stable/c/4883296505aa7e4863c6869b689afb6005633b23	patch
https://git.kernel.org/stable/c/0cc47233af35fb5f10b5e6a027cb4ccd480caf9a	patch
https://git.kernel.org/stable/c/8c3f7943a29145d8a2d8e24893762f7673323eae	patch
https://git.kernel.org/stable/c/f53e1c9c726d83092167f2226f32bd3b73f26c21	patch

Frequently Asked Questions

What is the severity of CVE-2024-49951?: CVE-2024-49951 has been scored as a medium severity vulnerability.
How to fix CVE-2024-49951?: To fix CVE-2024-49951, 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-2024-49951 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-49951 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-2024-49951?: CVE-2024-49951 affects Linux Linux, Linux Linux.

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