Bug 2320563 (CVE-2024-49951) - CVE-2024-49951 kernel: Bluetooth: MGMT: Fix possible crash on mgmt_index_removed
Summary: CVE-2024-49951 kernel: Bluetooth: MGMT: Fix possible crash on mgmt_index_removed
Keywords:
Status: NEW
Alias: CVE-2024-49951
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2321027
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-21 19:11 UTC by OSIDB Bzimport
Modified: 2025-05-13 08:30 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2025:6966 0 None None None 2025-05-13 08:30:43 UTC

Description OSIDB Bzimport 2024-10-21 19:11:07 UTC 
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.
Comment 1 Robb Gatica 2024-10-22 16:25:55 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102130-CVE-2024-49951-a620@gregkh/T
Comment 2 Avinash Hanwate 2024-10-23 04:09:49 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102130-CVE-2024-49951-a620@gregkh/T
Comment 3 errata-xmlrpc 2025-05-13 08:30:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:6966 https://access.redhat.com/errata/RHSA-2025:6966
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